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P与NP问题是计算机科学中最重要的未解决问题之一。
The P versus NP problem is one of the most important unsolved problems in computer science.
人生就像一场戏,因为有缘才相聚。
The pursuit of knowledge is a journey without end, but every step forward is a victory.
我们需要的书是那些能读懂我们的书。
Psychology must be a purely descriptive science.