肯定的语言，是孩子成长的正信息；否定的语言，是孩子成长的负信息。
Is language, the child grow the information; No language, is the child grow the negative information.
这些语言有如此多的相似之处，以致于人们推断出它们肯定都来自同一个地方。
These languages had so many similarities that it was concluded that they must have all come from the same source.
在当今世界上存在的所有语言中，肯定有已经发展多年的复杂性。
In all the languages existing in the world today, there are complexities that must have been developed for years.
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