But they could exact a high price: they are long-standing advocates of a proportional voting system, which would boost them but could damage the two big parties.

但他们的要价不会低，比如他们会要求进行比例选举，这对他们有利而会减少两大党的票数。

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What price you think is reasonable to install an automation lighting control system in a household with two rooms and a sitting room (around 4 gangs of light and 3 sets of light switch)?

如果要在一个两房一厅的家居（约四路灯，三组灯制） 安装自动化灯光系统，你认为那个价格比较合理?。

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This paper based on the newsboy model studies two types of supply chain system adopted quantity discount contract and wholesale price contract respectively.

本文基于供应链报童模型分别研究了采取数量折扣契约和批发价格契约两种类型的供应链系统。

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Price rationing and a functioning price system are the clear-cut winners for maximizing benefits between producers and consumers when these two sides freely and willingly engage in market behavior.

FORBES: We're All Economists Now: Scarcity Lessons For High School Students