名词
中文翻译：比率波动
同义词：
['variation', 'fluctuation', 'variation ratio']
例句：
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1.The company's sales have been fluctuating in recent months.
这家公司近几个月的销售额一直在波动。
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2. The price of oil has been fluctuating due to geopolitical tensions.
由于地缘政治紧张，油价一直在波动。
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3. The stock market is notorious for its volatility, which can cause significant losses for investors.
股市以其易变性而闻名，这可能导致投资者遭受重大损失。