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.
I don't make nice little buildings. I don't like them.
When people talk, listen completely. Most people never listen.
Leadership is not about giving orders; it's about inspiring others to achieve what they thought was impossible.