名词
中文翻译：贡献边际比率
同义词：
['contribution margin ratio', 'contribution margin ratio', 'contribution margin ratio']
例句：
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1. The company's contribution margin ratio is a key metric for evaluating its profitability.
公司的边际贡献比率是评估其盈利能力的关键指标。
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2.The contribution margin ratio helps to determine the efficiency of a company's operations.
贡献边际比率有助于确定公司运营的效率。
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3. The contribution margin ratio has been increasing steadily over the past few years.
过去几年里，贡献边际比率一直在稳步上升。