The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
计算复杂性的研究不仅仅是关于问题的分类;它是关于理解计算本身的本质。
作家是这样的人,对他们来说,写作比其他人更困难。
Investing in cleaner coal technologies is an investment in our future.
文学的力量在于它使我们感到不那么孤独。
商业中最危险的一句话是"我们一直是这样做的"。
"Success is not final, failure is not fatal: It is the courage to continue that counts."
I don't need a reason to be happy. I choose to be.