Consumer surplus is the value to a consumer of consumption of a good, minus the price paid.

消费者剩余指的是消费者购买一件商品所得到价值，减去购买这件商品的费用。

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The tourism value is considered as the sum of the tourists' travel cost, consumer surplus, time value and other expenses.

旅游价值估算为游客的旅行费用支出、消费者剩余、时间价值和其他花费之和。

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Economists call this phenomenon "consumer surplus" - the excess value of a good beyond the actual price a consumer pays; what you would have been willing to pay, in other words, if you had to.

经济学家将这种现象称为“消费者盈余”，即商品价值超出消费者实际支付价格，换句话说如果不得不的话，而希望支付的价格。

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After all, the "consumer surplus" of Facebook the estimated value that people get from using it is far greater than the firm's profit, while "shares" issued to shareholders make these investors members of the Facebook corporate commons.

WSJ: Matt Ridley on Web Profits, Web Sharing and the Facebook IPO | Mind & Matter