名词
中文翻译：交换
同义词：
['trade', 'swap', 'transact']
例句：
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1.They exchanged ideas with each other during the meeting.
会议期间，他们互相交换了意见。
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2. The company exchanges its products with customers on a regular basis.
这家公司定期与顾客交换产品。
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3. Exchange rates fluctuate frequently due to fluctuations in global markets.
由于全球市场的波动，汇率经常变动。