an official piece of paper that you can use instead of money to buy a particular product or service (代替现金的)凭证,代金券 She has a voucher for a free swim. 她有一张免费游泳的票。
Synonyms and related words
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a.
an official piece of paper that provides evidence for a claim that you are making 凭单;收据;收条 Synonyms and related words