retain your original receipt as proof of purchase 請保留您的原始發(fā)票作為購買證明。
keep your receipt as proof of purchase 保留你的發(fā)票作為購買憑證。
this receipt is your proof of purchase 這個收據(jù)是你購買的憑證。
ah, well, have you got any other proof of purchase, the guarantee, for example 好吧,你還有沒有其它東西證明你是在這里買的?比如像保修單。
all shops in gate areas will have all purchased liquids or gels sealed and will provide a proof of purchase to passengers 所有機場商店內(nèi)的銷售的液體物品應(yīng)該向乘客提供購物憑證以備查驗。