名词
中文翻译：物品之间的交换同义词
同义词：
['trade', 'barter', 'exchange']
例句：
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1. In ancient times, people often used to trade with each other for goods.
在古代，人们经常用物品进行交换。
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2. The old woman exchanged her worn-out shoes for a new pair.
那位老妇人用她的旧鞋子换了一双新鞋。
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3. The children were eager to exchange their toys for each other's.
孩子们渴望互相交换玩具。