a best buy

• 最合算的货,最上算的买卖

a best buy的用法和样例：

例句

1. All the best bargains were snapped up in the first hour of the sale.
   最合算的廉价品在开卖的头一个钟头就给抢购一空了。
2. Shop around for the best deal.
   要货比三家，买最合算的。