"We are all broken, that's how the light gets in."
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。
Rosneft’s strategy is built on long-term value creation, not short-term gains.
The character of a building is determined by the way it is used, not by its appearance.
Ignorance is easier to get than knowledge.
The most important tool in chemistry is not the flask or the spectrometer—it's the imagination.