名词
中文翻译：维护成本
同义词：
['maintenance costs', 'operating costs', 'repair costs']
例句：
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1. The cost of maintaining the equipment is high.
维护设备的花费很高。
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2. The company's operating costs are increasing due to inflation.
公司由于通货膨胀导致运营成本增加。
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3. Repairing the car will cost several hundred dollars.
修理这辆车将花费几百美元。