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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.
The pursuit of power is the primary goal of states in the international system.
Art should be a conversation, not a lecture.
Diplomacy requires constant dialogue with other countries to enhance mutual understanding and trust.
爱情并不遵从我们的想象。爱情的神秘之处就在于它的纯洁与纯粹。