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.
Our industry must be part of the solution, not seen as part of the problem.
A strong brand is built on transparency and integrity.
Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary.