名词
中文翻译：汇率
同义词：
['rate of exchange', 'foreign exchange rate例句：1. The exchange rate between the two currencies has been fluctuating recently.（最近两种货币的汇率一直在波动。）']
例句：
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1. The exchange rate between the two currencies has been fluctuating recently.
最近两种货币的汇率一直在波动。
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2.The company's exchange rate policy is based on market demand.
公司的汇率政策是基于市场需求的。
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3.The exchange rate between the US dollar and the euro is influenced by many factors.
美元对欧元的汇率受到许多因素的影响。