The law of demand states that when the price of a commodity increases, the quantity demanded decreases.

供求的规律指出当商品价格提高，需求量就会减少。

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The law of demand states that, other things equal, the quantity demanded of a good falls when the prices of the good rises.

在同等条件下，当某物品的价格上升时，对该物品的需求减少。

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According to the law of demand, as the price of a good falls, the quantity demanded rises. Therefore, the demand curve slopes downward.

根据需求定理，随着一种商品价格的下降，需求量增加，因此，需求曲线向右下方倾斜。

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Under the controversial pact, the government agreed to the cleric's main demand of imposing Islamic law in the insurgency-hit districts.

VOA: standard.2009.07.26

It's completely out of date." Stanley says inconsistencies in the law have made it easier for law enforcement and government agencies to demand that service providers give them consumer data stored on cloud servers.

VOA: standard.2010.06.22

Using econometrics to pretend that the law of demand is dead is a dangerous delusion.

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Higher prices being met with greater quantity demanded would seem to defy the law of demand.

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Of course, other things seldom stay constant in the real world, so the law of demand is sometimes difficult to test.

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