In conclusion, Network Financial Externality is the external economic effect on the tertiary side, which is imposed by the private cost or private income.

总得来说，网络金融外部性是在网络金融环境中，私人成本或私人收益在金融活动中向第三方溢出的外部经济效应。

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However, the externality of forest ecological effect makes its value cannot be compensated, which becomes principally limit factor for forest ecological construction.

但由于森林生态效益的外在性，使得其价值补偿无法实现，从而成为我国森林生态建设的根本性制约因素。

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In economics we would call this an externality: an effect on others that is not included in the calculations being made by those actually doing whatever it is.

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