来自vouch,担保。引申词义担保兑现的凭据，用于指票券。

1. Would you mind initialing this voucher?

请在凭单上用首字母签名。

2. a voucher for a free meal

免费用餐券

3. The government should run a voucher system.

政府应该施行凭证制度.

4. I still think it's a bit of a cheek sending a voucher rather than a refund.

我还是认为，他们寄来优惠购物券，而不是退款，真是有些厚颜无耻。

5. Take the voucher to your local branch of Woolworths and it will be redeemed for one toy.

持兑换券到当地沃尔沃斯的分店可以兑换一个玩具。