—— 请按键盘 空白键 开始游戏 ——

I am not an Athenian or a Greek,but a citizen of the world.
There are some things so serious you have to laugh at them.
我们称可见光为什么?我们称之为颜色。但颜色只是我们给光碰到某物时的行为方式起的名字。
"In machine learning, the goal is not just to fit the data, but to find a model that captures the underlying structure of the data."