—— 请按键盘 空白键 开始游戏 ——

Leadership is about making tough decisions and standing by them, even when they are unpopular.
The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
沙漠不仅仅是一个地方;它是一种心境,是想象力的广阔画布。
One of the advantages of being old is that you can speak your mind without worrying about the consequences.