—— 请按键盘 空白键 开始游戏 ——

牛大叫,但马却不回应;不是因为马没听到声音,是因为它们不是同类啊。点评:同类之间存在着客观联系,故能相应。
The most basic human desire is to be recognized as a human being.
He who refuses to do arithmetic is doomed to talk nonsense.
The most important thing in trading is discipline.