The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
NP完全性的概念为理解计算问题的复杂性提供了一个强大的工具。
潜意识如果没有进入意识,就会引导你的人生而成为你的命运。
没有什么比现实本身更魔幻。
And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.