—— 请按键盘 空白键 开始游戏 ——

To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.
The most challenging designs often lead to the most rewarding results.
我们所知的物理定律可能只是更大定律集合中的一小部分。
音乐系一种语言,可以打破所有界限。