名词
中文翻译：汇率
同义词：
['exchange rate', 'currency exchange rate', 'foreign exchange rate']
例句：
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1. The company's stock price hasbeen fluctuating wildly sincethe announcement of its new CEO.
自从宣布了新任CEO以来，该公司的股票价格一直在剧烈波动。
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2. The exchange rate between the twocurrencies is currently at a favorable level forour country.
目前，两种货币之间的汇率对我们国家是有利的。
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3. The foreign exchange market ishighly volatile, and investors need tobe cautious when trading.
外汇市场非常不稳定，投资者在进行交易时需要格外小心。