cost pricing短语¹³¹⁶²⁰⁺³ 基本例句 🌏成本定价法；成本导向法 Under extreme circumstance, when regulator possesses the regulated perfect information, marginal- cost pricing and average- cost/span> pricing are often employed. 在极端的情形下，当规制者拥有被规制者的完全信息时，规制者一般采用边际定价法和平均成本定价法； cnki