A young artist went to ask a publisher why he had rejected his paintings, he got this reply, "Because we discern a lack of maturity in your paintings."

一位年轻画家去问一个出版商他的画为什么被退了回来，得到了这样的答复：“因为我们发现你的作品还不够成熟。”

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So, speak well of your colleagues and the firm, or human resources will think that you lack maturity and if and when the time comes, you won't be welcome back at the company.

所以，称赞自己的同事和公司。不然的话，人事经理会觉得你不够成熟。假设以后有那么一天，他们不会欢迎你回公司。

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Ms Colborne had told the court the defendants "exploited the girls' lack of maturity, their lack of life experience".

BBC: Bilal Hussain and Shazad Rehman

Businessmen are irritated by what many have called the politicians' lack of maturity.

ECONOMIST: The troubled country does not want an early election

''This behaviour... was designed to exploit their lack of maturity, their lack of life experience and to render them more compliant.

BBC: Leeds & West Yorkshire