NP-completeness is not just a theoretical curiosity; it has profound implications for practical computing.
NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。
有时候最难的事情和最正确的事情是同一件事。
The most innovative ideas often come from listening to those closest to the customer.
经验是我们给自己的错误取的名字。