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

语言是一种武器，我精准地运用它。

The more you look, the more you see. The more you see, the more there is to see.

Every time I stand on stage, I hope to bring the best music to everyone.

The sky is not the limit; it is the beginning.

诗歌不仅是一种艺术，它是一种生活方式。