—— 请按键盘 空白键 开始游戏 ——

The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
你不能双手都戴着接球手套度过一生。你需要能够回馈些什么。
我是个梦想家,但我也是个实干家。