Definition: the act of buying something Level: B2
房子是大多数人一生中做过的最昂贵的购买。
A house is the most expensive ___purchase that most people ever make.
对枪支的购买实施了新的限制。
New restrictions have been placed on the ___purchase of guns.
您无需购买任何产品即可参加本次竞赛。
No ___purchase is necessary for you to enter this competition.
