在对于近百种语言做了复杂的分析之后，这些语言的开端被研究者们追溯到了同一个地方的同一时期。本帖隐藏的内容需要回复才可以浏览。
Using sophisticated analysis of hundreds of languages, the researchers have managed to trace back their beginnings to the same place and the same time.
做许多事情的捷径就是一次只做一件一件事。 。游客，如果您要查看本帖隐藏内容请回复。
The shortest way to do many things is to only one thing at a time.
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