關於 please see the reply below ，我們在網路上蒐集到這些相關的討論、資訊與評價

【教務處開學防疫相關措施】
Relevant prevention measures for the upcoming semester of the Office of Academic Affairs

.
各位好：

因應嚴重特殊傳染性肺炎疫情發展，除校方發布各項防疫措施外，有關教學及其相關申辦業務，請各單位依據以下措施配合辦理：

一、110-1學期開學後前三週全面採遠距教學，授課教師應將上課網址及課程相關訊息公告於課程大綱 (有關NTU COOL課程網頁如何設為公開，詳見 https://www.dlc.ntu.edu.tw/2021/09/09/visibility/ )。實驗、實作或人數較少的研究所課程若需採實體授課，須依以下規範辦理：

(一) 落實課堂點名並禁止在教室內飲食。

(二) 上課教室應保持通風良好及定時清消。

(三) 全程配戴口罩，並維持安全社交距離 (1.5米或2.25平方米)。

(四)於110年9月24日前提出申請送教務處核定：申請表詳見課務組公告 https://www.space.ntu.edu.tw/navigate/s/CB679CFFA6134C83B4964E40A30A460AQQY

二、開學後第四週起上課方式，修課人數80人(含)以上課程採遠距教學，80人以下以實體課程為原則，特殊情形請於110年10月12日前提出申請送教務處核定：申請表詳見課務組公告 https://www.space.ntu.edu.tw/navigate/s/CB679CFFA6134C83B4964E40A30A460AQQY

(一) 採實體授課者，仍須依前述防疫規範辦理。

(二)本校鼓勵教師以數位和實體並行的混成方式進行教學準備，詳細資訊請見數習中心網站： https://www.dlc.ntu.edu.tw/2021/09/08/blended-teaching/

三、本學期加退選、停修彈性做法如下：

(一) 解除擋修、超修及減修申請書: 老師及系主任可親簽或用郵件代替簽名，請同學將申請書及相關同意證明以email寄至所屬教務單位承辦人。

(二) 開學後第一、二週加退選:

1.第1、3類方式加選：照舊(上網登記分發)。

2.第2類方式加選(授權碼): 建議老師可用信件傳遞授權碼予學生加選，並記錄學號留存，以利日後查核。

(三) 開學後第三週人工加選及停修：老師及系主任可親簽或用郵件代替簽名，請同學將申請書及相關同意證明，合併成1個pdf檔上傳至教務處。上傳網址將再另行公告。

(四) 因本學期前3週皆採遠距授課，同學在加退選期間若有加簽或聽課需求，請主動聯繫授課老師。

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教務處 敬上

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Dear NTU community members,

Given the current pandemic situation, the University is asking all academic and administrative units to comply with the following measures regarding teaching and learning for the upcoming semester despite the epidemic prevention measures released by the school:

A. All courses shall adopt distance learning in the first three weeks since 110-1 semester. Teachers shall announce course URL and relevant information on course description.(If you want to set the visibility of your course page on NTU COOL to be public, please see this document: https://www.dlc.ntu.edu.tw/2021/09/09/visibility/ ) If experiments, hands-on course,graduate courses with fewer people,wish to give physical course, please follow the measures listed below:

1. Teachers shall do the roll call, while eating and drinking in the classroom is forbidden.

2. Classrooms shall be cleansed and disinfected regularly, while kept ventilated.

3. Face masks must be worn throughout, while social distancing shall be maintained (e.g., 1.5 meters or 2.25 square meters).

4. Please submit an application form ( https://www.space.ntu.edu.tw/navigate/s/CB679CFFA6134C83B4964E40A30A460AQQY ) to the Office of Academic Affairs before September 24th.

B. In principle, 80 or above people selecting a course shall adopt distance learning from the fourth week of 110-1 semester. Courses under 80 people will be in-person classes. In special cases, please fill out this application form ( https://www.space.ntu.edu.tw/navigate/s/CB679CFFA6134C83B4964E40A30A460AQQY ) before October 12th.

1. In-person class shall comply with the regulations listed above.

2. Teachers are encouraged to adopt a blended teaching approach －a combination of online learning and in-person class - to prepare the courses. For more information, please see the website of Digital Learning Center: https://www.dlc.ntu.edu.tw/2021/09/08/blended-teaching/

C. The flexible measures of this semester for adding, dropping, and withdrawing classes are as follows.

1. The “Unblock Course Request Form”, “Course Overload Request Form”, and “Course Underload Request Form”:
The lecturer and the director may sign these request forms in person or reply by email to these request forms to indicate their approval of the request. Please email the request form and the proof for approval to the contact person in the Office of Academic Affairs.

2. Adding and dropping classes in the first and second week of this semester:

(1) . Adding classes in the first and the third category:
The process is as usual. Students may register for classes online.

(2). The second category (adding classes with a permission number):
It is recommended that the lecturer email a permission number to students and record the student number for future verification.

3. Adding or withdrawing classes in the third week of this semester:
The lecturer and the director may sign the application form in person or reply by email to the application form to indicate their approval of the request. Please combine the application form and the proof for approval into a single PDF and upload it to the Office of Academic Affairs. The website address for uploading the file will be announced separately.

4. Because online teaching is conducted during the first three weeks of this semester, if students want to add or attend the classes during the period, they need to contact the lecturer.

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Office of Academic Affairs

📜 [專欄新文章] Uniswap v3 Features Explained in Depth

✍️ 田少谷 Shao

📥 歡迎投稿： https://medium.com/taipei-ethereum-meetup #徵技術分享文 #使用心得 #教學文 #medium

Once again the game-changing DEX 🦄 👑

Image source: https://uniswap.org/blog/uniswap-v3/

Outline

0. Intro1. Uniswap & AMM recap2. Ticks 3. Concentrated liquidity4. Range orders: reversible limit orders5. Impacts of v36. Conclusion

0. Intro

The announcement of Uniswap v3 is no doubt one of the most exciting news in the DeFi place recently 🔥🔥🔥

While most have talked about the impact v3 can potentially bring on the market, seldom explain the delicate implementation techniques to realize all those amazing features, such as concentrated liquidity, limit-order-like range orders, etc.

Since I’ve covered Uniswap v1 & v2 (if you happen to know Mandarin, here are v1 & v2), there’s no reason for me to not cover v3 as well ✅

Thus, this article aims to guide readers through Uniswap v3, based on their official whitepaper and examples made on the announcement page. However, one needs not to be an engineer, as not many codes are involved, nor a math major, as the math involved is definitely taught in your high school, to fully understand the following content 😊😊😊

If you really make it through but still don’t get shxt, feedbacks are welcomed! 🙏

There should be another article focusing on the codebase, so stay tuned and let’s get started with some background noise!

1. Uniswap & AMM recap

Before diving in, we have to first recap the uniqueness of Uniswap and compare it to traditional order book exchanges.

Uniswap v1 & v2 are a kind of AMMs (automated market marker) that follow the constant product equation x * y = k, with x & y stand for the amount of two tokens X and Y in a pool and k as a constant.

Comparing to order book exchanges, AMMs, such as the previous versions of Uniswap, offer quite a distinct user experience:

AMMs have pricing functions that offer the price for the two tokens, which make their users always price takers, while users of order book exchanges can be both makers or takers.

Uniswap as well as most AMMs have infinite liquidity¹, while order book exchanges don’t. The liquidity of Uniswap v1 & v2 is provided throughout the price range [0,∞]².

Uniswap as well as most AMMs have price slippage³ and it’s due to the pricing function, while there isn’t always price slippage on order book exchanges as long as an order is fulfilled within one tick.

In an order book, each price (whether in green or red) is a tick. Image source: https://ftx.com/trade/BTC-PERP

¹ though the price gets worse over time; AMM of constant sum such as mStable does not have infinite liquidity

² the range is in fact [-∞,∞], while a price in most cases won’t be negative

³ AMM of constant sum does not have price slippage

2. Tick

The whole innovation of Uniswap v3 starts from ticks.

For those unfamiliar with what is a tick:

Source: https://www.investopedia.com/terms/t/tick.asp

By slicing the price range [0,∞] into numerous granular ticks, trading on v3 is highly similar to trading on order book exchanges, with only three differences:

The price range of each tick is predefined by the system instead of being proposed by users.

Trades that happen within a tick still follows the pricing function of the AMM, while the equation has to be updated once the price crosses the tick.

Orders can be executed with any price within the price range, instead of being fulfilled at the same one price on order book exchanges.

With the tick design, Uniswap v3 possesses most of the merits of both AMM and an order book exchange! 💯💯💯

So, how is the price range of a tick decided?

This question is actually somewhat related to the tick explanation above: the minimum tick size for stocks trading above 1$ is one cent.

The underlying meaning of a tick size traditionally being one cent is that one cent (1% of 1$) is the basis point of price changes between ticks, ex: 1.02 — 1.01 = 0.1.

Uniswap v3 employs a similar idea: compared to the previous/next price, the price change should always be 0.01% = 1 basis point.

However, notice the difference is that in the traditional basis point, the price change is defined with subtraction, while here in Uniswap it’s division.

This is how price ranges of ticks are decided⁴:

Image source: https://uniswap.org/whitepaper-v3.pdf

With the above equation, the tick/price range can be recorded in the index form [i, i+1], instead of some crazy numbers such as 1.0001¹⁰⁰ = 1.0100496621.

As each price is the multiplication of 1.0001 of the previous price, the price change is always 1.0001 — 1 = 0.0001 = 0.01%.

For example, when i=1, p(1) = 1.0001; when i=2, p(2) = 1.00020001.

p(2) / p(1) = 1.00020001 / 1.0001 = 1.0001

See the connection between the traditional basis point 1 cent (=1% of 1$) and Uniswap v3’s basis point 0.01%?

Image source: https://tenor.com/view/coin-master-cool-gif-19748052

But sir, are prices really granular enough? There are many shitcoins with prices less than 0.000001$. Will such prices be covered as well?

Price range: max & min

To know if an extremely small price is covered or not, we have to figure out the max & min price range of v3 by looking into the spec: there is a int24 tick state variable in UniswapV3Pool.sol.

Image source: https://uniswap.org/whitepaper-v3.pdf

The reason for a signed integer int instead of an uint is that negative power represents prices less than 1 but greater than 0.

24 bits can cover the range between 1.0001 ^ (2²³ — 1) and 1.0001 ^ -(2)²³. Even Google cannot calculate such numbers, so allow me to offer smaller values to have a rough idea of the whole price range:

1.0001 ^ (2¹⁸) = 242,214,459,604.341

1.0001 ^ -(2¹⁷) = 0.000002031888943

I think it’s safe to say that with a int24 the range can cover > 99.99% of the prices of all assets in the universe 👌

⁴ For implementation concern, however, a square root is added to both sides of the equation.

How about finding out which tick does a price belong to?

Tick index from price

The answer to this question is rather easy, as we know that p(i) = 1.0001^i, simply takes a log with base 1.0001 on both sides of the equation⁴:

Image source: https://www.codecogs.com/latex/eqneditor.php

Let’s try this out, say we wanna find out the tick index of 1000000.

Image source: https://ncalculators.com/number-conversion/log-logarithm-calculator.htm

Now, 1.0001¹³⁸¹⁶² = 999,998.678087146. Voila!

⁵ This formula is also slightly modified to fit the real implementation usage.

3. Concentrated liquidity

Now that we know how ticks and price ranges are decided, let’s talk about how orders are executed in a tick, what is concentrated liquidity and how it enables v3 to compete with stablecoin-specialized DEXs (decentralized exchange), such as Curve, by improving the capital efficiency.

Concentrated liquidity means LPs (liquidity providers) can provide liquidity to any price range/tick at their wish, which causes the liquidity to be imbalanced in ticks.

As each tick has a different liquidity depth, the corresponding pricing function x * y = k also won’t be the same!

Each tick has its own liquidity depth. Image source: https://uniswap.org/blog/uniswap-v3/

Mmm… examples are always helpful for abstract descriptions 😂

Say the original pricing function is 100(x) * 1000(y) = 100000(k), with the price of X token 1000 / 100 = 10 and we’re now in the price range [9.08, 11.08].

If the liquidity of the price range [11.08, 13.08] is the same as [9.08, 11.08], we don’t have to modify the pricing function if the price goes from 10 to 11.08, which is the boundary between two ticks.

The price of X is 1052.63 / 95 = 11.08 when the equation is 1052.63 * 95 = 100000.

However, if the liquidity of the price range [11.08, 13.08] is two times that of the current range [9.08, 11.08], balances of x and y should be doubled, which makes the equation become 2105.26 * 220 = 400000, which is (1052.63 * 2) * (110 * 2) = (100000 * 2 * 2).

We can observe the following two points from the above example:

Trades always follow the pricing function x * y = k, while once the price crosses the current price range/tick, the liquidity/equation has to be updated.

√(x * y) = √k = L is how we represent the liquidity, as I say the liquidity of x * y = 400000 is two times the liquidity of x * y = 100000, as √(400000 / 100000) = 2.

What’s more, compared to liquidity on v1 & v2 is always spread across [0,∞], liquidity on v3 can be concentrated within certain price ranges and thus results in higher capital efficiency from traders’ swapping fees!

Let’s say if I provide liquidity in the range [1200, 2800], the capital efficiency will then be 4.24x higher than v2 with the range [0,∞] 😮😮😮 There’s a capital efficiency comparison calculator, make sure to try it out!

Image source: https://uniswap.org/blog/uniswap-v3/

It’s worth noticing that the concept of concentrated liquidity was proposed and already implemented by Kyper, prior to Uniswap, which is called Automated Price Reserve in their case.⁵

⁶ Thanks to Yenwen Feng for the information.

4. Range orders: reversible limit orders

As explained in the above section, LPs of v3 can provide liquidity to any price range/tick at their wish. Depending on the current price and the targeted price range, there are three scenarios:

current price < the targeted price range

current price > the targeted price range

current price belongs to the targeted price range

The first two scenarios are called range orders. They have unique characteristics and are essentially fee-earning reversible limit orders, which will be explained later.

The last case is the exact same liquidity providing mechanism as the previous versions: LPs provide liquidity in both tokens of the same value (= amount * price).

There’s also an identical product to the case: grid trading, a very powerful investment tool for a time of consolidation. Dunno what’s grid trading? Check out Binance’s explanation on this, as this topic won’t be covered!

In fact, LPs of Uniswap v1 & v2 are grid trading with a range of [0,∞] and the entry price as the baseline.

Range orders

To understand range orders, we’d have to first revisit how price is discovered on Uniswap with the equation x * y = k, for x & y stand for the amount of two tokens X and Y and k as a constant.

The price of X compared to Y is y / x, which means how many Y one can get for 1 unit of X, and vice versa the price of Y compared to X is x / y.

For the price of X to go up, y has to increase and x decrease.

With this pricing mechanism in mind, it’s example time!

Say an LP plans to place liquidity in the price range [15.625, 17.313], higher than the current price of X 10, when 100(x) * 1000(y) = 100000(k).

The price of X is 1250 / 80 = 15.625 when the equation is 80 * 1250 = 100000.

The price of X is 1315.789 / 76 = 17.313 when the equation is 76 * 1315.789 = 100000.

If now the price of X reaches 15.625, the only way for the price of X to go even higher is to further increase y and decrease x, which means exchanging a certain amount of X for Y.

Thus, to provide liquidity in the range [15.625, 17.313], an LP needs only to prepare 80 — 76 = 4 of X. If the price exceeds 17.313, all 4 X of the LP is swapped into 1315.789 — 1250 = 65.798 Y, and then the LP has nothing more to do with the pool, as his/her liquidity is drained.

What if the price stays in the range? It’s exactly what LPs would love to see, as they can earn swapping fees for all transactions in the range! Also, the balance of X will swing between [76, 80] and the balance of Y between [1250, 1315.789].

This might not be obvious, but the example above shows an interesting insight: if the liquidity of one token is provided, only when the token becomes more valuable will it be exchanged for the less valuable one.

…wut? 🤔

Remember that if 4 X is provided within [15.625, 17.313], only when the price of X goes up from 15.625 to 17.313 is 4 X gradually swapped into Y, the less valuable one!

What if the price of X drops back immediately after reaching 17.313? As X becomes less valuable, others are going to exchange Y for X.

The below image illustrates the scenario of DAI/USDC pair with a price range of [1.001, 1.002] well: the pool is always composed entirely of one token on both sides of the tick, while in the middle 1.001499⁶ is of both tokens.

Image source: https://uniswap.org/blog/uniswap-v3/

Similarly, to provide liquidity in a price range < current price, an LP has to prepare a certain amount of Y for others to exchange Y for X within the range.

To wrap up such an interesting feature, we know that:

Only one token is required for range orders.

Only when the current price is within the range of the range order can LP earn trading fees. This is the main reason why most people believe LPs of v3 have to monitor the price more actively to maximize their income, which also means that LPs of v3 have become arbitrageurs 🤯

I will be discussing more the impacts of v3 in 5. Impacts of v3.

⁷ 1.001499988 = √(1.0001 * 1.0002) is the geometric mean of 1.0001 and 1.0002. The implication is that the geometric mean of two prices is the average execution price within the range of the two prices.

Reversible limit orders

As the example in the last section demonstrates, if there is 4 X in range [15.625, 17.313], the 4 X will be completely converted into 65.798 Y when the price goes over 17.313.

We all know that a price can stay in a wide range such as [10, 11] for quite some time, while it’s unlikely so in a narrow range such as [15.625, 15.626].

Thus, if an LP provides liquidity in [15.625, 15.626], we can expect that once the price of X goes over 15.625 and immediately also 15.626, and does not drop back, all X are then forever converted into Y.

The concept of having a targeted price and the order will be executed after the price is crossed is exactly the concept of limit orders! The only difference is that if the range of a range order is not narrow enough, it’s highly possible that the conversion of tokens will be reverted once the price falls back to the range.

As price ranges follow the equation p(i) = 1.0001 ^ i, the range can be quite narrow and a range order can thus effectively serve as a limit order:

When i = 27490, 1.0001²⁷⁴⁹⁰ = 15.6248.⁸

When i = 27491, 1.0001²⁷⁴⁹¹ = 15.6264.⁸

A range of 0.0016 is not THAT narrow but can certainly satisfy most limit order use cases!

⁸ As mentioned previously in note #4, there is a square root in the equation of the price and index, thus the numbers here are for explantion only.

5. Impacts of v3

Higher capital efficiency, LPs become arbitrageurs… as v3 has made tons of radical changes, I’d like to summarize my personal takes of the impacts of v3:

Higher capital efficiency makes one of the most frequently considered indices in DeFi: TVL, total value locked, becomes less meaningful, as 1$ on Uniswap v3 might have the same effect as 100$ or even 2000$ on v2.

The ease of spot exchanging between spot exchanges used to be a huge advantage of spot markets over derivative markets. As LPs will take up the role of arbitrageurs and arbitraging is more likely to happen on v3 itself other than between DEXs, this gap is narrowed … to what extent? No idea though.

LP strategies and the aggregation of NFT of Uniswap v3 liquidity token are becoming the blue ocean for new DeFi startups: see Visor and Lixir. In fact, this might be the turning point for both DeFi and NFT: the two main reasons of blockchain going mainstream now come to the alignment of interest: solving the $$ problem 😏😏😏

In the right venue, which means a place where transaction fees are low enough, such as Optimism, we might see Algo trading firms coming in to share the market of designing LP strategies on Uniswap v3, as I believe Algo trading is way stronger than on-chain strategies or DAO voting to add liquidity that sort of thing.

After reading this article by Parsec.finance: The Dex to Rule Them All, I cannot help but wonder: maybe there is going to be centralized crypto exchanges adopting v3’s approach. The reason is that since orders of LPs in the same tick are executed pro-rata, the endless front-running speeding-competition issue in the Algo trading world, to some degree, is… solved? 🤔

Anyway, personal opinions can be biased and seriously wrong 🙈 I’m merely throwing out a sprat to catch a whale. Having a different voice? Leave your comment down below!

6. Conclusion

That was kinda tough, isn’t it? Glad you make it through here 🥂🥂🥂

There are actually many more details and also a huge section of Oracle yet to be covered. However, since this article is more about features and targeting normal DeFi users, I’ll leave those to the next one; hope there is one 😅

If you have any doubt or find any mistake, please feel free to reach out to me and I’d try to reply AFAP!

Stay tuned and in the meantime let’s wait and see how Uniswap v3 is again pioneering the innovation of DeFi 🌟

Uniswap v3 Features Explained in Depth was originally published in Taipei Ethereum Meetup on Medium, where people are continuing the conversation by highlighting and responding to this story.

👏 歡迎轉載分享鼓掌

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🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
"At the magpie bridge, the person NiuLang is waiting for is not necessarily ZhiNiu."
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🔔 【The mythology of Qixi】

QiXi, the night of the 7th of the seventh month of the lunar calendar, is a traditional Chinese holiday and has thousands of years of history.

Within this ancient tradition there is a beautiful love mythology: a NiuLang boy and a ZhiNiu girl.

In this portrait, he does not allow them to love each other,
NiuLang and ZhiNiu were forced to break away.

He only allows them to meet on the 7th of the seventh month of each year, innumerable magpies form as the bridge for them to connect between him and her.

Today, many young men and women consider QiXi holiday as China's Valentine's Day.
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🔔 【Words from the director Amy】
¨This video is not a movie nor is it a television series, it is a short film shot by our team. We are "Amy Paipai", an online creative audiovisual team from Taiwan. From time to time, according to festivals and current events, we develop creative ideas and make audiovisual creations. If you want to see more audiovisual works from our team, subscribe and follow us! If you see our creative videos hacked or illegally shared on another site, please let us know too. Thank you very much for your support! ¨

"By the way, if you want to participate in our creation, you can also send your story to our mailbox. Your story can be filmed in a video. If you want to communicate with us, leave a message below the video and we will reply. Thank you!
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🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸🇪🇸
“En el puente de urracas, la persona a quien NiuLang está esperando, no necesariamente es ZhiNiu."
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🔔【La mitología de Qixi】

QiXi, la noche del 7 del séptimo mes del calendario lunar, es una fiesta tradicional de China y tiene miles de años de historia.

Dentro de esta tradición antigua hay una mitología bonita de amor: un chico NiuLang y una chica ZhiNiu.

En este retrato, no les permite que se amen,
NiuLang y ZhiNiu se vieron obligadas a separarse.

Solo les permite reunirse el 7 de séptimo mes de cada año, innumerables urracas forman como el puente para que se conecten entre él y ella.

Hoy en día, muchos hombres y mujeres jóvenes consideran la fiesta QiXi como el Día de enamorados de China.
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🔔【Palabras de la directora Amy】
¨Este video no es una película ni es una serie de televisión, es un cortometraje filmado por nuestro equipo. Somos "Amy Paipai", un equipo audiovisual creativo en línea de Taiwán. De vez en cuando, según festivales y eventos de actualidad, desarrollamos ideas creativas y realizamos creaciones audiovisuales. Si quieres ver más trabajos audiovisuales de nuestro equipo, suscríbete y síguenos! Si ves nuestros videos creativos pirateados o ilegalmente compartido en otro sitio, háganoslo saber también. ¡Muchas gracias por tu apoyo! ¨

"Por cierto, si quieres participar en nuestra creación, también puedes enviar tu historia a nuestro buzón. Tu historia puede ser filmada en un video. Si quieres comunicarte con nosotros, deja un mensaje debajo del video y te responderemos. ¡Gracias!
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Hello guys, this is a video of me and my family traveling to Hong Kong between January 11-13th. We visited a few places and got to see the beauty of it! At first we were more concerned about the protests and the safety of being a tourist, but it turns out a week after we got back the news started to broadcast about the new Coronavirus! Luckily me and my family are ok, and made it back in time before they started land locking places and canceling flights!
If you liked this video or have any questions or concerns please like, share, subscribe or leave a comment below! I'll reply to all! :)

這是我和我的家人在1月11日至13日之間前往香港旅行的影片。我們參觀了幾個地方，香港依然美麗！當初我們更加擔心抗議活動和遊客的安全，但是在我們回來的一週後，有關新冠狀病毒的新聞開始播出！幸運的是，我和我的家人都還好，並在他們開始著陸並取消航班之前及時返回了！
如果你們喜歡這部影片或是有任何問題的話，可以幫我按讚，訂閱，分享，或是留言！我都會回覆你們的！ :)

IG: https://www.instagram.com/christinacasss/

FB fans: https://www.facebook.com/christinahuangcassidy/

Shot on: Sony A6400, Gopro 5 Session, iPhone XR

拍立得相機卡片教學影片來囉~影片中少介紹了一個6.8*8.5cm的綠色小卡~請大家要記得準備喔!!
I was forget a 6.8*8.5cm green paper in video, please prepare it^^

Nancy自創品牌-Wonder Nancy Jewelry萬德珠寶
FB🔍Wonder Nancy Jewelry
IG🔍WonderNancyJewelry
Youtube🔍https://www.youtube.com/channel/UCy75Jgm5xBq-KTlZs6sqS1A
官網 ：http://wondernancy.com

他也可以當作爆炸卡的機關喔
https://www.youtube.com/watch?v=9_QbA97Gccw
https://www.youtube.com/watch?v=m9-fipAMH0Y

It can fit in explosion box, check out below link :
https://www.youtube.com/watch?v=9_QbA97Gccw
https://www.youtube.com/watch?v=m9-fipAMH0Y


----中英日字幕募集中----
1. 上字幕的方式教學：http://bit.ly/28SdAD2
2. 如果您幫我放上了字幕，記得告訴我唷!我會準備感謝小卡片送給你唷~~記得訊息或者email讓我知道唷~~
3. 影片上過字幕的話，請不要重複上字幕唷^^

有把卡片做出來的人可以在IG上面tag我, 或是標記#nancychinchin 或是 #nancy今今 讓我知道我會很開心喔!!
Tage me or #nancychinchin or #nancy今今 on Instagram if you have made the card !! I am happy to see your beautiful cards : )

♥ More Nancy今今 ♥
☞ Facebook : https://www.facebook.com/nancychinchinyeah/
☞ Instagram : https://www.instagram.com/n7881935/
☞ Pixnet : http://n7881935.pixnet.net/blog
☞ 業務洽詢或客製化請Email : n7855616@hotmail.com

★ non-sponsored video★
★ 非商業合作影片★

☼Nancy碎碎念☼
Nancy今今是上班族~回覆的比較慢~請見諒唷!!
NancyChinChin has a job in week day. Pls excuse if I reply you slowly, thanks!!
另外~禮貌很重要喔~如果你禮貌的對待我我也會很熱情的回應你~XOXO
It is very important to be a polite person when you want to ask me any questions~XOXO