—— 请按键盘 空白键 开始游戏 ——

The art of doing mathematics consists in finding that special case which contains all the germs of generality.
Having less is more; contentment leads to happiness.
What a caterpillar calls the end of the worldwe call a butterfly.
可持续性不是我们公司的一个部门;它融入我们做出的每一个决定。
The internet should be for everyone - it's too important to leave anyone behind.