buy
vt. 購買；買得起；獲得；賄賂；相信
n. 購買；所購的物品；合算的東西
例句：
How long ago did you buy it?
這東西你是多久以前買的？
The curtains were an impulse buy.
這窗簾是一時(shí)心血來潮買下的。