—— 请按键盘 空白键 开始游戏 ——

For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
Trust is the foundation of successful partnerships in the energy sector.
压力一直都在,但我试着把它转化为动力。
可持续发展不是选择题,而是责任。
The most dangerous phrase in the language is, 'We've always done it this way.'
可持续农业不是成本,而是我们能做的最明智投资。