—— 请按键盘 空白键 开始游戏 ——

Sustainability isn't a cost center—it's the ultimate competitive advantage.
Mental processes exist because they serve a purpose.
我喜欢做一个自由自在的灵魂。有些人不喜欢这样,但这就是我。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.