Colas and root beer are substitutes, and a fall in the price ofroot beer (resulting in an increase in the consumption of root beer) will tend to decrease the demandfor colas.

可乐和根啤是替代品，根啤价格的下降（因而引起根啤的消费量增加）会减少可乐的需求量。

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They found that a 10 percent increase in the price of soda was associated with a 7 percent decrease in soda calories consumed.

结果发现当汽水价格上涨10%，人们从汽水中摄取的卡路里就减少7%。

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The 0.1 percent fall in the consumer price index was the first decrease since March 2009, figures from the Labor Department showed today in Washington.

根据美国劳工部今天在华盛顿公布的数据，消费价格指数下降0.1%，是自2009年3月以来第一次下降。

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Next, we examined increase and decrease in price per square footage to determine where market value is the highest.

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Thus, when the dollar strengthens, gold appears to artificially decrease in price.

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The lower community forecast corresponds with a slight decrease in price estimate.

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