名词短语中文翻译
中文翻译：比较成本研究
同义词：
['cost comparison studies', 'cost-benefit analysis']
例句：
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1. Comparative cost studies are essential for understanding the economic impact of a project.
进行比较成本研究对于理解项目的经济影响至关重要。
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2. The company conducted comparative cost studies to identify areas where it could save money.
该公司进行了比较成本研究，以确定可以节省资金的领域。
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3. The government has launched a comparative cost studies to evaluate the effectiveness of its policies.
政府已经启动了一项比较成本研究，以评估其政策的效果。