—— 请按键盘 空白键 开始游戏 ——

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
True forest stewardship means leaving some trees - and some profits - for those who come after us.
未来的挑战不仅仅是存储更多的数据,而是理解这些数据。
最好的学习方法就是实践。