—— 请按键盘 空白键 开始游戏 ——

The difference between correlation and causation is not just academic—it can have profound policy implications.
我是一名作家,因为我需要讲故事。这是一种理解生活的方式。
I don't want to fall in love, I want to fall in success.
在科学中,唯一不变的就是变化。