我收集了一些优惠券，可以在超市购物时省钱。

I collected some ___coupons to save money while shopping at the supermarket.

请确保在到期日前剪下这些息票以领取利息。

Make sure to clip these ___coupons before the due date to claim your interest.

超市提供优惠券可以节省购物开支。

The supermarket offers ___coupons to help you save on groceries.