—— 请按键盘 空白键 开始游戏 ——

I've learned that it's okay to be vulnerable.
释义:没有平地不变成山坡的,没有去了而不回来的,在艰难困苦中应坚守纯正,必然会有好的结果。
The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.
The moment of creation is the most important thing.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。