券

例句：

1. 1. He bought a movie ticket as a gift for his friend.
   他买了一张电影票作为礼物送给朋友。
2. 2. The store offers discounts on their merchandise with the purchase of a receipt.
   商店在购买商品时提供折扣，需要出示收据。
3. 3. The discount coupon was valid for one month only.
   这个优惠券有效期为一个月。