—— 请按键盘 空白键 开始游戏 ——

善师四夷者,能制四夷;不善师外夷者,外夷制之。
出自《海国图志序》。善于学习外国的长处,就能够征服外国;不善于学习外国的长处就会被外国所征服。
We believe that only through teamwork can we achieve greater goals.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.