a good buy

• 便宜货

a good buy的用法和样例：

例句

1. I got this cheap at a department store sale.
   我在百货公司特价廉售时买到了这件便宜货。
2. She knows a bargain when she sees one.
   她有辨别便宜货的能力。
3. You've got a good bargain there.
   你做了一笔很上算的交易。