—— 请按键盘 空白键 开始游戏 ——

Quality is never an accident; it is always the result of intelligent effort.
Over time, our emerging high-usage products will likely generate significant new revenue streams for Google as well as for our partners, just as search does today.
"Formal methods are not a silver bullet, but they are an essential tool in the quest for reliable systems."
The most dangerous thing is to do nothing.