动词
中文翻译：交换货物
同义词：
['trade', 'barter', 'exchange']
例句：
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1. We can trade our old clothes for new ones.
我们可以用旧衣服换新衣服。
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2. The farmer bartered his cow for a bag of grain.
农民用他的牛换了一袋粮食。
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3. They exchanged their services for the opportunity to work together.
他们用服务换取了一起工作的机会。