—— 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 important thing in life is to stop saying 'I wish' and start saying 'I will.'
The key to success is to focus on goals, not obstacles.