动词短语
中文翻译：交换
同义词：
['trade', 'barter', 'trade in例句：1. They bartered their old car for a new one.（他们用旧车换了一辆新车。）']
例句：
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1. They bartered their old car for a new one.
他们用旧车换了一辆新车。
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2. He bartered away his time and resources to help the less fortunate.
他牺牲了自己的时间和资源来帮助那些不幸的人。
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3. The locals bartered away their meager savings for essential supplies.
当地人为了必需品而牺牲了他们的微薄积蓄。