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。
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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