Using market price mechanism to adjust peoples behavior of using water can guarantee the efficiency of using water resources, but not justice.

用市场价格机制调节人们的用水行为可以保证水资源的利用效率，但是却不能保证公平。

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So a price mechanism and market is needed to mediate the competition for a scarce resource.

于是就要引入价格机制以及市场调节，来调节对稀缺资源的竞争。

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The stock price depends on the interaction between agents' sentiments and market feedback, and is fixed each day by a clearing house mechanism.

股票价格由经纪的偏向以及市场反馈的相互作用来决定，且在当前清算机制下，一天中的价格是固定的。

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Economic liberals argue that the market itself is the greatest price-discovery mechanism known to man.

ECONOMIST: The invisible green hand

The oil market is tight, but price is a wondrous mechanism, and rising prices have spurred investment.

ECONOMIST: Energy security

Of course, in order to use this as an argument that inflation is not a problem, he has to assume that the market has enough wisdom in it to properly gauge future inflation, but then he immediately turns around and forgets the wisdom of the markets when he overrules its price setting mechanism with an unprecedented series of operations, from open market to twist.

FORBES: What Gold Sees, and Ben Bernanke Does Not