名词
中文翻译：乘数
同义词：
['factor', 'multiplier']
例句：
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1. The cost of the new product is 50% higher than the old one.
新产品的成本比旧产品高50%。
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2. The salesperson used a multiplier to increase the price of the product.
销售人员使用了乘数来提高产品的售价。
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3. The company increased its profits by using a multiplier on its expenses.
公司通过在开支上使用乘数来增加利润。