Because people can find information on the Internet, knowledge spreads quickly.

因为人们可以在互联网上获得信息，知识传播得很快。

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One question that economists have struggled to answer, though, is exactly how and between whom knowledge spreads.

但经济学家难以回答的一个问题是，知识到底是如何传播的，以及在哪些人之间传播。

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Knowledge spreads more quickly than ever before, and the ability of also-ran regions to catch up to, or even leapfrog, traditional leaders surely has grown.

知识的传播比以往任何时候都更加迅速，落后地区追上甚至跃过传统领先地区的能力无疑在增强。

youdao

Knowledge spreads more quickly than ever before, and the ability of also-ran regions to catch up to, or even leapfrog, traditional leaders surely has grown.

知识的传播比以往任何时候都更加迅速，落后地区追上甚至跃过传统领先地区的能力无疑在增强。

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