动词
中文翻译：Unknown
同义词：
['trade', 'swap', 'transact', 'deal', 'barter']
例句：
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1. They exchanged their stories about the trip.
他们交换了关于旅行的故事。
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2. The company exchangesits products with other companies for raw materials.
该公司与其他公司交换产品以获取原材料。
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3.Exchange rates fluctuate frequently dueto fluctuations in currency markets.
由于货币市场波动，汇率经常变动。