—— 请按键盘 空白键 开始游戏 ——

追求幸福并不自私——它对于有意义的生活至关重要。
没有比你自己设下的陷阱更致命的陷阱了。
可持续性不仅仅是一种趋势——这是我们为下一代的责任。
The world is a very complicated place, and it's not always easy to understand what's happening around us.