—— 请按键盘 空白键 开始游戏 ——

If you are not willing to learn, no one can help you. If you are determined to learn, no one can stop you.
I'm not a star in my own eyes. I'm just a person.
The effects of immigration are often localized and context-specific.
Small changes can have big effects when they help people break out of the poverty trap.
建造就是使不可见的东西变得可见。