如果你想理解一个系统,试着改变它。
If you want to understand a system, try changing it.
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
可持续性不仅仅是一种趋势,更是我们对后代的责任。
I don’t do things for the response or the controversy. I just live my life.