名词中文翻译
中文翻译：维护成本
同义词：
['operating costs', 'repair costs', 'maintenance expenses']
例句：
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1. The company's annual maintenance costs are $50,000.
公司的年度维护费用为5万美元。
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2. To keep the car in good condition, it needs regular oil changes and maintenance.
为了保持汽车的良好状态，它需要定期更换机油并进行保养。
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3.The cost of maintaining a fleet of cars is high due to frequent repairs.
车队的维护成本因频繁修理而高昂。