The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
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 past is a foreign country; they do things differently there.
I'm not perfect, and I don't pretend to be.
智能产生于简单过程的相互作用。
我不追逐纪录，我追求卓越。
我们在二十多岁时做出的选择是我们将领导的生活的基础。
Collaboration across sectors is the only way to solve forestry's greatest challenges.
The elements of consciousness are the irreducible facts of mental life.