P与NP问题是计算机科学中最重要的未解决问题之一。
I don't sing for entertainment. I sing for the woman who has been through hell and back.
Collaboration across nations is the only way to solve the complex challenges of ocean conservation.
生存的绵延不是一个长度的问题,而是一个深度和密度的问题。
A woman must have money and a room of her own if she is to write fiction.