—— 请按键盘 空白键 开始游戏 ——

Don't fight a battle if you don't gain anything by winning.
质量不是你可以添加到产品或服务上的东西。它必须从一开始就内置。
我不是政治家,我是表演者。但我有声音,我有平台。
The challenge in model checking is not just to find errors, but to understand why they occur.