—— 请按键盘 空白键 开始游戏 ——

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
Science is not just about finding answers, but about asking the right questions.
要理解心灵,就要研究它在现实生活中的运作。
The future of forestry lies in sustainable practices that balance economic growth with environmental stewardship.