1 purchase作动词，常作及物动词。译为购买，也可以做名词，译为购买，购买力
2 purchase常用的搭配有purchase something from somebody从某人那里买到某物make a purchase购买
3 举例如下 The equipment can be purchased from your local supplier. 这个设备可以从当地供应商那里购买. We must think twice before we decide to make a purchase on the internet.当我们网购时一定要三思。
