名词
中文翻译：有效成本
同义词：
['efficient cost', 'effective expense', 'efficient expenditure']
例句：
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1. The company is looking to reduce its overall costs by 20%.
该公司正在寻求通过减少20%的总成本来降低成本。
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2. The new policy will have a significant impact on the effective cost of production.
新政策将对生产成本的有效成本产生重大影响。
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3. To increase efficiency, we need to focus on reducing unnecessary expenses and increasing the effective cost of our products.
为了提高效率，我们需要关注减少不必要的开支和提高我们产品的有效成本。