名词短语中文翻译
中文翻译：利润边际的作用
同义词：
['profit margin', 'contribution to profitability']
例句：
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1. Thecompany's profit margin has been declining due to increased competition.
由于竞争加剧，该公司的利润边际一直在下降。
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2.The increase in sales volume has a significant impact on the profit margin.
销售额的增加对利润率有显著影响。
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3. The company is exploring new strategies to improve its profit margins.
公司正在探索新策略以提高其利润率。