cloverleaf coupon

例句：

1. 1. This is a cloverleaf coupon for the movie tickets.
   这是一张电影票的优惠券。
2. 2. The store gave me a cloverleaf coupon as a reward for my loyalty.
   商店给了我一张花叶通行证优惠券作为对我的忠诚的奖励。
3. 3.I used the cloverleaf coupon to get a discount on my next purchase.
   我使用了这张花叶通行证优惠券来获得下次购买的折扣。