Maturity is more about education and life experience than it is about age. I know plenty of mature 30-somethings and immature 50-somethings.

成熟和年龄无关，更多的是教育和生活经历，我就知道很多30岁的很成熟，而50多岁不成熟的人。

youdao

Limiting alcohol, getting enough exercise and maintaining a healthy weight are important, but so is a good marriage, education and "mature coping skills" such as stoicism and altruism.

重要的几点包括：有限饮酒、充分锻炼和保持健康体重，同时，良好的婚姻、教育以及“成熟的处世技能”，如坚忍和无私等也很重要。

youdao

College students are the important object of implementing the citizens 'education because their intelligence are active, enthusiastic, near to mature and have their own judge.

大学生是公民教育实施的重要对象，他们的心智日趋成熟，对事物有自己的分析判断，他们积极热情、精力充沛。

youdao

Over the next decade, institutions in the U.S. and in other countries with mature higher education sectors will be struggling to justify the cost and value of a residential degree program when students get much of the same content and a good portion of the classroom experience from an online instructor in another city or across an ocean.

FORBES: The Real Winners of the Coming Revolution in Higher Education

Among Pew Research Center survey respondents who graduated from a four-year college, 74% say their college education helped them grow intellectually, 69% say it helped them mature as a person, and 55% say it helped them prepare for a job or career.

FORBES: Stop Telling Millennials That College Is Bad

Dr Leonard Sax, the founder of the National Association for the Advancement of Single Sex Public Education, even claims a neurological reason for his cause: girls and boys mature at different rates, so they need different teaching methods.

ECONOMIST: An idea that may be worth trying