—— 请按键盘 空白键 开始游戏 ——

The longer you look at an object, the more abstract it becomes, and, ironically, the more real.
每一个数学定理都是一个故事,一个通过逻辑和理性展开的叙述,引领我们更深入地理解世界。
The future of food security lies beneath the waves.