—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Lisp值得学习,因为当你最终掌握它时,你将获得深刻的启蒙体验;这种体验将使你在余下的日子里成为一个更好的程序员,即使你从未真正大量使用Lisp本身。
"The past is a foreign country; they do things differently there."
The future of mining lies in innovation and responsible resource management.
穷人面临的约束往往是政策制定者看不到的。