Customer surplus is the margin between the highest price the customer wills to pay for a certain amount of goods and their real market price.

消费者剩余，是指消费者消费一定数量的某种商品愿意支付的最高价格与这些商品的实际市场价格之间的差额。

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This research on the effect of interactive marketing on customer surplus value aims to provide some new ideas to the companies on building their brands.

本研究针对品牌互动式营销对消费者剩余价值的影响进行研究，希望能借此提供企业一种品牌塑造的新思维。

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To maximise his share of the economic surplus, a merchant wants to sell to each customer at a price as close as possible to the most that client would be willing to pay.

为了最大化经济剩余，商家就想以尽可能接近大多数顾客愿意支付的价格将（商品）出售给每一个顾客。

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