bon 用英语:

Employees were offered travel vouchers as a bonus.

She has a voucher for a free swim.

Definition a voucher is an official piece of paper or an electronic certificate which can be used instead of money, or which proves that you have already paid for a particular service or item

I paid for my books using gift vouchers.

May I have coupon tickets?

ªrs Green always cuts coupons out of advertisements in newspapers and magazines in order to save money on her groceries.

This week shoppers can use discount coupons to get money off gasoline.

The promotion does not mix with coupons.