The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.

"When we love, we always strive to become better than we are. When we strive to become better than we are, everything around us becomes better too."

Singing is not just about technique; it’s about conveying emotions.

If you don’t drive your business, you will be driven out of business.

You can have it all. Just not all at once.

最好的文学源于冲突，源于欲望与道德之间的斗争。