What does it require to be a successful mechanic, to do all the mechanics problems?

怎么才能当个成功的力学家,并能解决所有的力学问题呢

耶鲁公开课 - 基础物理课程节选

You can work as a mechanic, you don't need to have gone to high school.

你能做一名机械师，而你不需要读过高中。

想成为律师的话 - SpeakingMax英语口语达人

It doesn't have every potential, it's a boy or a girl, it's not going to go back, but it has lots of potential in that eventually when it becomes an adult it could become a cellist, or a biologist, or an auto mechanic, or a biomedical engineer, all those potentials are still there.

但不是全部,比如性别已有定论,无法改变,但还是有很多潜能,当孩子长大,他可以成为大提琴家,生物学家,机械师或者生物医学工程师,他仍有所有的潜能

耶鲁公开课 - 生物医学工程探索课程节选