—— 请按键盘 空白键 开始游戏 ——

"The best stories are the ones that stay with you long after you've turned the last page."
The best technology is the one that solves real problems.
在每个问题中,都有一个等待被发现的隐藏模式,作为数学家,我们的责任就是去揭示它。