—— 请按键盘 空白键 开始游戏 ——

The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.
数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.
说话过多会有不当之处,不如沉默寡言以保无虞。
每一次失败都是一堂课,让你更接近成功。