动词
中文翻译：Unknown
同义词：
['trade', 'swap', 'transact']
例句：
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1. They exchanged their old clothes for new ones.
他们用旧衣服换了新衣服。
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2. The company exchanges its shares with the government.
公司与政府交换其股份。
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3. Exchange rates fluctuate frequently due to fluctuations in currency markets.
由于货币市场的波动，汇率经常变动。