名词
中文翻译：成本单位
同义词：
['unit of cost', 'unit of measurement例句：1. The engineer calculated the cost unit for the project.（工程师计算了该项目的成本单位。）2. The construction company is responsible for the cost unit of the building.（建筑公司负责建筑物的成本单位。）']
例句：
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1. The engineer calculated the cost unit for the project.
工程师计算了该项目的成本单位。
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2. The construction company is responsible for the cost unit of the building.
建筑公司负责建筑物的成本单位。
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3. The cost unit for this product is $50.
该产品的成本单位是50美元。