The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
计算机科学中数学的美在于它能够用抽象概念建模和解决现实世界的问题。
I'm gonna make him an offer he can't refuse.
领导力就是激励人们去做他们从未想过自己能做的事。