湖南农大市场销售量与其他两个市场差距太大，市场产污当量与销售量呈正比，污染物产生少。

Sales of Hunan Agricultural University had a large gap between the two markets, sales production was proportional to the equivalent pollution, so made fewer pollutants.

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心理定价策略是指企业根据消费者的购买心理，诱导消费者的购买来扩大市场销售量的一种定价策略。

Psychological pricing tactics is that enterprises induce the purchase of customers in order to enlarge their own sales volume according to customer's purchasing psychology.

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然后是2008年的经济衰退，美国的玩具市场销售量平均减少了5％，可是乐高公司在美国的销售量却成长了38％。

Then in 2008, as the recession deepened and toy sales in the U. S. fell on average by 5 percent, Lego sales in America actually climbed 38 percent.

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When the housing market is in decline, the ability to sell houses drops dramatically.

当住房市场衰退时,房屋销售量就会急剧下降

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