—— 请按键盘 空白键 开始游戏 ——

I fell asleep reading a dull book and dreamed I kept on reading, so I awoke from sheer boredom.
可持续性必须有利可图,否则就根本不可持续。
"The challenge in formal verification is to bridge the gap between the abstract models and the actual implementations."
The limits of my language mean the limits of my world.