名词
中文翻译：维护费用
同义词：
['maintenance fee', 'upkeep charge']
例句：
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1.The company has to pay a maintenance charge for the new equipment.
公司必须为新设备支付维护费。
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2. The cost of maintaining the car is included in the annual insurance premium.
汽车的维护费用包含在年度保险保费中。
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3. The owner must pay the maintenance charge for the damage caused by the flood.
洪水造成的损害必须由房主支付维修费。