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P与NP问题是计算机科学中最重要的一个问题之一。
The P versus NP problem is one of the most important problems in computer science.
There is no such thing as failure. Failure is just life trying to move us in another direction.
"Psychology must focus on the utility of mental operations."
Music is the language of the soul, and it has the power to touch hearts in ways words alone cannot.