proofs of purchase中文什么意思

例句与用法

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1. retain your original receipt as proof of purchase
   请保留您的原始发票作为购买证明。
2. keep your receipt as proof of purchase
   保留你的发票作为购买凭证。
3. this receipt is your proof of purchase
   这个收据是你购买的凭证。
4. ah, well, have you got any other proof of purchase, the guarantee, for example
   好吧，你还有没有其它东西证明你是在这里买的？比如像保修单。
5. all shops in gate areas will have all purchased liquids or gels sealed and will provide a proof of purchase to passengers
   所有机场商店内的销售的液体物品应该向乘客提供购物凭证以备查验。