核心畫面
Picture a small printed slip you tear off and hand over: on its own it is just paper, but give it to the right person and something happens — money comes off the bill, or your details go into their system. It is a little ticket that has to be handed in to work.
可以想成：一小張撕下來、要交出去的紙。它本身只是紙，但交到對的人手上就會發生一件事：帳單少一點，或是你的資料進到對方…更多收起
可以想成：一小張撕下來、要交出去的紙。它本身只是紙，但交到對的人手上就會發生一件事：帳單少一點，或是你的資料進到對方那裡。重點在「要交出去才有作用」，所以現在手機裡的電子優惠也沿用這個字。原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
couponnoun/ˈkuːˌpɒn/
- 1
A section of a ticket, showing the holder to be entitled to some specified accommodation or service, as to a passage over a designated line of travel, a particular seat in a theater, a discount, etc.
- 2
A voucher issued by a manufacturer or retailer which offers a discount on a particular product.
- 3
obsoletebusinessfinanceA certificate of interest due, printed at the bottom of transferable bonds (state, railroad, etc.), given for a term of years, designed to be cut off and presented for payment when the interest is due; an interest warrant.
- 4
businessfinanceAny interest payment made or due on a bond, debenture or similar (no longer by a physical coupon).
- 5
historicalgovernmentpoliticsThe letter sent to parliamentary candidates at the 1918 general election, endorsing them as official representatives of the coalition government.
- 6
A person's face.
- 7
businessmanufacturingA small sample of a bulk material, prepared so that test failure will be representative.
couponverb/ˈkuːˌpɒn/
- 1
To use coupons to a such extent that makes the user actively looking for coupons in magazines, online and whatever they can be found.
- Jenna coupons and she goes through three magazines a day to find the coupons.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。