煤炭的真实成本必须既考虑其即时价值,也考虑其对社区和生态系统的长期影响。
即使在困难时刻,我也总是努力保持积极。
The reality is: sometimes you lose. And you’re never too good to lose. You’re never too big to lose. You’re never too smart to lose. It happens.
孔子说:“花言巧语、满脸堆笑的人,很少有仁爱之心。”
DNA的结构是一个需要解决的谜题。
The study of computational complexity is a journey through the landscape of mathematical logic and algorithmic theory.