cost of operation〔名词〕经营费,使用费详细»
cost of operation〔名词〕管理费,工作费用,操作费详细»
cost of operation〔名词〕营运费详细»
cost of operation〔名词〕管理费详细»
cost of operation〔名词〕操作费,运转费用详细»
cost of operation〔名词〕工作费用详细»
工作费用working cost;working expenses详细»
工作费用working expenditure;working expenses详细»