some person are born introverted ,while they are work hard at thinking.
just this personality will influence which job they choose,such as research
will suit for them.
中文的意思后面应该是说性格影响职业选择吧,先选择后发展,科研的工作适合性格内向但勤于思考的人。
work hard at thinking 指勤于思考
be good at thinking 是善于思考
追问是 work 还是 working?