—— 请按键盘 空白键 开始游戏 ——

Forests are the lungs of the earth, and we must protect them with the same urgency as our own health.
"Success is not a destination, but a journey of continuous improvement and learning."
世界上最好和最美丽的东西是看不见甚至摸不着的 - 它们必须用心去感受。
In mathematics, the journey from confusion to clarity is the most rewarding experience.