rational person exchange的用法和樣例：
例句
- I do not believe that any of us would exchange places with any other people, or any other generation.
我不相信我們中間有人想同其他人或其他時(shí)代的人交換位置。 - By bringing their own toys to exchange with others, children learn the virtues of sharing and reusing.
把自己的玩具帶來(lái)與其他人交換，孩子們學(xué)到了分享以及再利用的美德。
