管理费的英文：
cost of operation
management cost
management cost
operation cost
overhead charge
management expenses
costs of administration
overhead expenses

参考例句：

IDA management fee
国际开发协会管理费

The multiplier for the estimate of man-hour costs to take care of overheads and fringe benefits.
工时成本估计的乘数及以满足福利费和经营管理费的需要。

cost是什么意思：
v. 花费；使付出；估价
n. 费用；代价；成本；损失

Cost was no consideration.
费用无关紧要。

The cost will be astronomical.
费用将是一笔天文数字。

These costs are charged to an asset account entitled organization costs.
这些成本被计入一个名为开办费的资产账户。

operation是什么意思：
n. 运转；行动；手术；运算

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员

management是什么意思：
n. （企业等的）管理，经营；主管；手腕

An assistant manager is inferior to a manager.
经理助理的地位比经理低。

To manage;contrive.
试图；设法做到

They managed this trick.
他们完成了这个绝招。