The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

每个故事都是谎言，直到有人相信它。

"To act is to live a thousand lives, to feel a thousand hearts beating as one."

水产养殖不是问题所在，如果方法得当，它会是解决方案的一部分。

The jaws of power are always open to devour, and her arm is always stretched out, if possible, to destroy the freedom of thinking, speaking, and writing.

老师声称代数是完美而自然的、我们应无条件地接受它，而我甚至不能理解什么是数。对我来说数学课完全就是恐怖和折磨。我完全不理解代数，这使我胆怯得不敢问任何问题。