P与NP问题是计算机科学中最重要的未解决问题之一。
The P versus NP problem is one of the most important unsolved problems in computer science.
The future of energy is being written now, and we want to be part of that future.
一个物理符号系统具备一般智能行为的必要和充分条件。
The journey of a thousand miles begins with one step.