International transfer passengers who never leave the airport are useful to the airline industry, but they are of little wider economic value.

国际中转旅客从不会离开机场，这对于航空公司产业来说非常有益，只不过他们经济价值的局限性很强。

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This paper, on the base of value transfer theory, will analyze the evolution of supply chain structure in household appliance industry.

本文以价值转移理论为出发点，分析家电产业供应链结构的变迁过程。

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