three pair

例句：

1. 1.She wore a three-pair outfit for the party.
   她为派对穿了一套三件套的服装。
2. 2. The store had three pairs of shoes on sale.
   这家店正在打折销售三双鞋。
3. 3.He bought three pairs of jeans for his son's birthday.
   他给儿子的生日买了三条牛仔裤。