NP中的每个问题都可以归约为可满足性问题,这是计算复杂性理论的基石。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
We are all in the gutter, but some of us are looking at the stars.
The wild is a place of growth. To survive, you have to embrace it.
市场失灵的程度永远不会为零,但政府失灵的程度同样如此。