—— 请按键盘 空白键 开始游戏 ——

The strength of a political system lies in its ability to adapt to changing circumstances.
The course of development consists simply in this; that in each generation the two parental traits appear, separated and unchanged.
可持续性不再是可选项;对于任何想在21世纪蓬勃发展的企业来说,它都是必需品。