—— 请按键盘 空白键 开始游戏 ——

We need to be part of the solution, not part of the problem.
The most important single central fact about a free market is that no exchange takes place unless both parties benefit.
Sustainability isn't a trend—it's the future of responsible business.
世界上充满了显而易见的事情,却没人注意到。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.