NP完全性的概念为理解问题的复杂性提供了一个强大的工具。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
The poet's task is to illuminate the darkness with the light of words.
成功的最好方式是做你自己。
I stand up for what I believe in and I don’t worry about what other people think.
我宁愿亲自监督政府的全部运作，也不愿将公共事务委托给下属。