We hold that the pricing of information service is determined by both pricing spread and demand rule.

“信息服务”的价格厘定主要受价格差别与需求规律的左右。

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Supply and demand rule the markets - Understand the rules of supply and demand, make use of trends, and sell into strength.

市场是由供求关系决定的——理解供求规律，利用趋势，介入活跃市场。

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Thus in case of the environment change, which demand rule adjustment and is typically done manually and statically, the model tends to be less efficient and inability to fit the environment change.

当环境发生变化的时候规则需要由人工静态地进行调整、修正，因此效率低、对环境变化的适应能力差，模型的可移植性也不令人满意。

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We can begin to see it is clear how Aristotle's best regime differs from Plato's intransigent demand for the rule of philosopher-kings.

我们可以开始清楚地发现,亚里士多德的最佳政体,如何有别于柏拉图,对哲学家国王统治的不妥协要求。

耶鲁公开课 - 政治哲学导论课程节选

Congestion pricing: The supply-and-demand rule in action, digitally.

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Under this reasoning, the calm, resolute Mr Abhisit was right to defy mob rule and the demand for the dissolution of parliament, and wait to unveil an orderly, slow electoral timetable.

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The Tara Duncan animated series, which was produced by Moonscoop, Disney and M6, is now also available to some 40 million digital cable television households in the U.S on the Kabillion Girls Rule Video on Demand channel.

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