动词短语
中文翻译：使用中的成本
同义词：
['in use', 'cost of use']
例句：
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1.The new car is very expensive to run, but it's worth the cost in use.
这辆新车运行成本很高，但考虑到使用成本，还是值得的。
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2. The software is not free; you have to pay for its cost in use.
这个软件是付费的，使用成本需要支付。
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3. The company has invested heavily in research and development, which is a significantcost in use for their products.
该公司在研发上投入巨大，这对他们的产品来说是一个重要的使用成本。