名词
中文翻译：金钱交换
同义词：
['exchange', 'currency exchange', 'monetary exchange']
例句：
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1. They exchanged their old money for new bills at the bank.
他们在银行用旧钞票换了新钞票。
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2.The exchange rate is changing rapidly, which affects our daily life.
汇率在快速变化，这影响我们的日常生活。
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3. He exchanged a few words with his friend about the recent political developments.
他和他的朋友就最近的一些政治发展交换了几句意见。