NP完全性的概念为理解计算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 computational problems.
The most important questions of life are, for the most part, really only problems of probability.
"The power of a story is in its ability to inspire love."
和姐妹们在一起的我与和其他人在一起的我完全不同。