动词
中文翻译：交换
同义词：
['trade', 'swap', 'transact', 'circulate']
例句：
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1.They exchanged information about the new product.
他们交换了有关新产品的信息。
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2. The company exchanges its shares with other companies for cash.
该公司用现金与其他公司交换其股份。
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3.Exchange rates fluctuate frequently due to fluctuations in currency markets.
由于货币市场波动，汇率经常变动。