Many practitioners have a sliding scale of fees.

许多从业者都有收费的一种比例标准。

《柯林斯英汉双解大词典》

A sliding scale of fees is used for operations so that richer customers subsidise poorer ones.

按比例计算的费用会用于手术费用，这样富裕的病人可以资助贫穷的病人。

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Research also suggests that multi-market banks charge higher fees than local banks do. And diseconomies as well as economies of scale can come into play.

研究也指出多市场的银行收取较本地银行高的费用，而且规模不经济和规模经济都会反映在收费水平上。

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The users win economies of scale, in the form of lower fees, and the ability to move capital quickly and easily across borders.

ECONOMIST: The prospect of a transatlantic merger is long overdue

The first minister hit back saying his government would provide a Scottish solution to the "extraordinary" situation that would be implemented on exactly the same time scale as the implementation of the hike in tuition fees south of the border.

BBC: First minister's questions

The management company charges a fee for managing the aircraft, but many aircraft owners assert that the discounts they obtain on insurance, fuel and training based on economies of scale and bulk buying power often exceed the fees charged.

FORBES: What's The Best Jet For You? (Part 3)