—— 请按键盘 空白键 开始游戏 ——

The meaning of life is not in how much you have, but in how you face loss.
The future of coal lies in cleaner technologies and smarter resource management.
The richness I achieve comes from nature, the source of my inspiration.
Mathematics is not a spectator sport.
学校必须代表当下的生活——对孩子来说,这种生活与他在家庭、邻里或操场上所进行的生活一样真实和重要。