1. Wisdom is a good purchase though we pay dear for it .
    为了求知识，代价虽高也值得。

2. The receipt is your proof of purchase.
    这张发票是你购物的凭据.

3. The curious bottle, which now adorns the bookcase in his study, was his first and last purchase of rare cosmetics.
    在他书房的书柜里摆着那瓶形状古怪的香水泥就是他第一次也是最后一次购买的稀有化妆品。

4. For the first time, the customer can see the transaction recorded — and gets a receipt on which every item he or she has picked out is printed by brand name, its price, even the time of purchase.
    顾客首次看到所购物品被登录——还能拿到一张收据，收据上明细地列出他所买商品的商标、价格，就连购买时间也列出。