Sustainability is not a trend; it's a responsibility we all share.
Every character has a world inside them, if you look closely enough.
我认为最重要的是要诚实和真实地对待你所说和所做的一切。
The basis of a democratic state is liberty.
Quality is not an act, it is a habit.
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
一个问题如果在计算机上可以快速解决,那么它属于P类问题;如果一个解可以快速验证,那么它属于NP类问题。