—— 请按键盘 空白键 开始游戏 ——

I'm not a rapper, I'm a African legend.
我不是说唱歌手,我是一个非洲的传奇。
Change is hardest in the beginning, messiest in the middle, and best at the end.
I was not born blind, I became blind at the age of 12. So I have seen the world and I know what things look like. When I sing about love and pain, joy and sadness, I know what I'm singing about.
The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。