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。

Growth mindset is the belief that everyone can change and grow through application and experience.

"To understand a culture, one must first listen to its stories."

历史不仅仅是发生了什么，还包括人们对此的想法和感受。

市场不仅仅是价格，还关乎信息和激励。