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A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
Einstein was wrong when he said, 'God does not play dice'. Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen
农业创新不仅仅是技术问题,更是思维方式的转变。
You can try and read my lyrics off of this paper before I lay 'em, but you won't take the sting out these words before I say 'em.
The only thing worse than being talked about is not being talked about.