—— 请按键盘 空白键 开始游戏 ——

孤独是自我的贫乏;独处是自我的丰富。
Loneliness is the poverty of self; solitude is the richness of self.
世界就是一本书,不旅行的人只读了其中一页。
"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."