coupon

n. /ˈkuː.pɑːn/ B1

优惠券；折价券

A piece of paper or electronic code giving a discount.

仙境例句

A coupon in the future paper offered free tea, and the March Hare cut it out at once.

未来的报纸上有一张优惠券，可以免费喝茶，三月兔立刻把它剪了下来。