Around seven years of age going up through puberty, the ability to learn language starts to go away.

大约七岁的时候开始,一直到青春期,学习语言的能力逐渐减弱

耶鲁公开课 - 心理学导论课程节选

Meanwhile, his youth was going away and now this imaginary student is now thirty-three years old never had time to marry or start a normal life.

与此同时，他的青春年华也已经逝去了,现在这位设想出来的同学已经33岁了,还没有结婚也没有开始正常人的生活。

耶鲁公开课 - 金融市场课程节选