A voucher that offers a discount or deal on a product or service.

• A code or paper slip redeemed to reduce the price.

提供商品或服务折扣的凭证或代码。

• 用于在结账时减少价格的纸质或电子票据。

A detachable part of a ticket that entitles the holder to a seat, segment, or service.

票据上可撕下的部分，赋予持有人座位、区段或服务的权利。

The periodic interest payment on a bond, or the stated interest rate.

• Originally a physical coupon clipped and presented for payment.

债券的定期利息支付，或标明的票面利率。

• 最初为可剪下并兑付的纸质息票。

A small test specimen cut from material to represent the bulk in testing.

从材料中取出的用于代表整体的测试小样。

To search for and use coupons extensively to save money.

大量搜集并使用优惠券以节省开支。