—— 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.
I think the best movies are the ones that make you feel something.
The concept of legal obligation is central to the understanding of law.
我不害怕死亡,我害怕没有真正活过。
歌唱就是双倍的祈祷。