pas de trois

例句：

1. 1. I need to buy somegroceries with my three dollars.
   我需要用我的三块钱买一些杂货。
2. 2. The restaurant serves a variety of dishesfor three dollars each.
   这家餐馆提供各种菜品，每道菜三块钱。
3. 3. Weexchanged our five dollars for his threedollars.
   我们用五块钱换他的三块钱。