多项式时间归约的概念对于理解NP完全问题的结构至关重要。
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
每次演唱会我都会全力以赴,因为要对得起观众的期待。
除非相机是诗人头脑中的眼睛,否则电影永远不会真正好。
夢は、諦めなければ、いつか叶う。
"Every book should be a conversation between the author and the reader."