Indeed, the University of California system has already started to implement a sliding-fee scale.

实际上，加州大学已经开始在实行滑动收费的体制了。

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That supplier is paid a monthly fee, and then has an incentive to cut printing costs by exploiting economies of scale in procurement, replacing printers with more efficient models and so forth.

供应商按月收费，并且可以通过规模采购降低打印成本获得额外报酬，用更高效的方式替代打印机等等。

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Do you have a sliding-scale fee policy? How much therapy would you recommend?

(费用通常以45 - 50分钟计算).是否有一个浮动价格政策你推荐的治疗费用是多少？

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Wadsworth had first inquired, by pointing to his fee scale, if the collector of customs wished for a portrait of the entire family, matching portraits of himself and his wife, or a joint portrait, with perhaps miniatures of the children.

NEWYORKER: The Limner

Under New York State law, his fee is set by a sliding scale.

FORBES: Magazine Article

The theory is that, once they attract a wad of assets, economies of scale will bring down the fee in percentage terms.

FORBES: The Frugal Investor