优惠券, 票证

a voucher entitling the holder to a discount off a particular product or service

示例:

• I used a coupon to get 20% off my groceries. 我用了一张优惠券，我的杂货打了八折。 • Don't forget to clip the coupons from the newspaper. 别忘了从报纸上剪下优惠券。 同义词:

voucher discount ticket token pass