—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
I’m not perfect, but I’m always me.
可持续采石意味着像倾听股东一样认真地倾听土地的声音。
Leaders must have the courage to make tough decisions for long-term benefits, even if they are unpopular in the short term.