Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
人生沒(méi)有重來(lái)，所以要好好珍惜。
我認(rèn)為最重要的是對(duì)自己和觀眾誠(chéng)實(shí)。
戰(zhàn)略和運(yùn)營(yíng)效率之間存在根本區(qū)別。
The truth is, we are all exiles.
A strong team is the foundation of any successful company.