Reading has a profound impact on one' s mental maturity.

读书对于人的心智成熟有重要的影响。

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After class reading of university students is the beginning of mental maturity, thus doing such kind of homework so as to lay some foundation is necessary.

大学生的课外阅读，是走向精神成熟的起点，因而先要做一点垫底的工作。

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Many researchers think word skills, memory and other mental functions crest in the early 20s, as the brain attains full maturity.

很多研究人员认为语言技巧，记忆力和其他脑部功能在20岁时达到顶峰，因为在此期间大脑发育已完全成熟。

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The earlier children are introduced to these teachings, he believes, the sooner they will acquire mental maturity, improved concentration and stronger moral standards, such as filial piety and respect for teachers and elders.

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For others, it's simply a matter of maturity and mental toughness.

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