gift receipt
noun [ C ] uk/ˈɡɪft rɪˌsiːt/ us/ˈɡɪft rɪˌsiːt/
礼品购买收据，礼品收据（不标出所付价格的购买收据，如果礼物不合适，收到礼物的人可以退回商店）
a receipt (= proof that something has been bought and paid for) that does not show the price paid, given to someone with a present so that if the present is not suitable they can return it to the shop
If the item you're buying is for someone else, ask for a gift receipt. 如果你要买的东西是为了送给别人，要一张礼品收据。