数个世纪甚至一千年以来世界上都没有翻译，但人类还算过得去：不同国家的人只须充分学习邻国的语言就可以进行适当的沟通。

For many centuries, even millennia, the world got by without translation: the people of different nations simply learned enough of the next door language to communicate adequately.

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康奈尔大学心理学家利用语言软件对Twitter信息中出现的正性词汇进行检测，一共检测了世界上84个不同国家240万用户最近两年在Twitter上发布的5.09亿条信息。

Cornell University sociologists used language software to detect the presence of positive words in 509 million tweets from 2.4 million users in 84 different countries over a two-year period.

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我不同意英语是世界上最重要的语言的看法。

I don't agree that English is the most important language.

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