—— 请按键盘 空白键 开始游戏 ——

Probability theory is nothing but common sense reduced to calculation.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.
可持续发展不再是可选项;它是任何希望长期繁荣的企业的必需品。