Liu has had to work hard and use all the resources of his imagination to get where he is today, which is perhaps the reason for his gray hair.
看見他滿頭早生的華髮，瞭解他積極工作、全力以赴的態度以後，你就不會再對他隨時可能在你意想不到的行業上獲致成就而感到驚訝了。