redeem a coupon

• 以礼券换商品

redeem a coupon的用法和样例：

例句

1. Would Fang please accept the gift coupon as a token of his congratulations on their marriage.
   礼券一张，是结婚的贺仪，尚乞哂纳。
2. The face value of the cash coupon awarded is calculated based on the accumulated portfolio subscription amount during the Promotion Period.
   获赠现金礼券的面值将基于客户在整个推广期内的累积认购额计算。