—— 请按键盘 空白键 开始游戏 ——

我们必须始终努力做正确的事,即使这很困难。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
人生就像骑单车,想保持平衡就得往前走。
我是自由的,那就是我迷失的原因。
我的动力来自于对这项运动的热爱。
The photograph is literally an emanation of the referent. From a real body, which was there, proceed radiations which ultimately touch me, who am here.