—— 请按键盘 空白键 开始游戏 ——

数学教会我们逻辑思考并系统地处理问题。
Mathematics teaches us to think logically and to approach problems systematically.
"The magic of books is that they can take you anywhere."
你知道的——当一个人情绪低落的时候,他会格外喜欢看日落。