名词中文翻译
中文翻译：期望值
同义词：
['forecast', 'average', 'expected outcome']
例句：
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1. The stock market is notorious forits high volatility and unpredictable fluctuations.
股市以其高波动性和不可预测的波动而闻名。
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2. The expected valueof the investment was $50,000.
投资的预期价值为50,000美元。
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3. The expected valueof the project is $2 million.
该项目的预期价值为200万美元。