—— 请按键盘 空白键 开始游戏 ——

The human being needs sadness as much as he needs joy.
Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.
深度学习是一种机器学习形式,它使计算机能够从经验中学习,并通过概念层次来理解世界。
过去是我们现在的一部分,因此也是我们未来的一部分。