voucher

US /ˈvaʊ.tʃɚ/
UK /ˈvaʊ.tʃɚ/
"voucher" picture
1.

券, 凭证

a small printed piece of paper that entitles the holder to a discount, or that can be exchanged for goods or services

:
I have a discount voucher for the new restaurant.
我有一张新餐厅的折扣
You can redeem this voucher for a free coffee.
你可以用这张换一杯免费咖啡。
2.

凭证, 收据

a document recording a sum of money spent or advanced

:
Please submit all expense vouchers by Friday.
请在周五前提交所有费用凭证
The accountant reviewed the payment vouchers.
会计师审核了付款凭证
1.

证明, 担保

to confirm or support something with evidence

:
His testimony will voucher for her innocence.
他的证词将证明她的清白。
Can you voucher for the authenticity of this document?
你能证明这份文件的真实性吗?