—— 请按键盘 空白键 开始游戏 ——

The best way to learn econometrics is by doing—working with real data and real problems.
对我而言,独立就是幸福。我的祖国是世界,我信奉的宗教是行善,我的头脑是我自己的教堂。
The past is not dead, it is not even past.
"A writer's duty is to tell the truth, even when it is uncomfortable or inconvenient."
People are afraid to pursue their most important dreams, because they feel that they don't deserve them, or that they'll be unable to achieve them. We, their hearts, become fearful just thinking of loved ones who go away forever, or of moments that could have been good but weren't, or of treasures that might have been found but were forever hidden in the sands.
The best designs are those that solve problems without drawing attention to themselves.