To live is the rarest thing in the world. Most people exist, that is all.
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
My name is Usain Bolt and I am the fastest man in the world.
成功很酷，但忠誠(chéng)才是王道。
我只想做能讓人們感覺(jué)良好的音樂(lè)。
You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.