—— 请按键盘 空白键 开始游戏 ——

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
效率是工程师的第一美德。
The key to success is to focus on goals, not obstacles.
In times of adversity and change, we really discover who we are and what we're made of.