buy的过去式 bought；
are的过去式 were；
buyv.买；购买；够支付；买通
A developer bought the land and divided it into stands.
开发商买下这块土地将其分为多块建筑用地。
She bought a slightly larger size to allow for shrinkage.
她买了一件尺码稍大的以备缩水。
No payments were made last week because of a computer error.
由于计算机出错，上周未付任何款项。
