NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。

There's a tendency to think that our present politicians are much worse than we had in the past.But we tend to forget how awful our politicians were in the past.

The energy transition must be just - we owe that to the communities that have powered our nation for generations.

一本好书是最好的朋友，今天如此，永远如此。

每一次表演都是触动某人内心的新机会。