名词
中文翻译：成本比率
同义词：
['cost-to-value ratio', 'cost-to-income ratio', 'cost-to-sales ratio']
例句：
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1. The company's profit margin is a key metric for measuring its cost ratio.
公司的利润率是衡量其成本比例的关键指标。
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2. To calculate the cost ratio, we need to divide the total costs by the total revenues.
要计算成本比例，我们需要将总成本除以总收入。
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3. The cost ratio analysis helps businesses identify areas where they can reduce their expenses.
成本比例分析帮助企业识别可以降低成本的领域。