科学不仅仅是发现,更是解决现实世界的问题。
Science is not just about discovery, it's about solving real-world problems.
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.
I always prefer to believe the best of everybody; it saves so much trouble.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.