“购买”的英文是 "purchase"，来源于拉丁文 "purchase"，意思是 "支付费用，买东西"。

例句：

Can I make a purchase with my credit card? (我能用信用卡购买东西吗？)

I'm going to the store to make a purchase. (我要去商店购买东西。)

The purchase price for the house was $500,000. (房子的购买价格是50万美元。)