—— 请按键盘 空白键 开始游戏 ——

The joy of discovery in mathematics is unparalleled.
权力在黑暗中保持强大;一旦暴露在阳光下,它就开始蒸发。
If I should tell you,I still read the fairy tale,and they are my favorite books。
艺术没有国界,但艺术家有祖国。