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The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
城市是一个共享的房子,我们都是它的建筑师。
能源的未来不是非此即彼的选择,而是找到所有可用解决方案的正确组合。
Success is not final, failure is not fatal: It is the courage to continue that counts.