—— 请按键盘 空白键 开始游戏 ——

The beauty of instrumental variables is that they allow us to see the world in a new light.
The power of literature lies in its ability to make us feel less alone in the universe.
我相信只要你付出努力,结果自然会来。
艺术是在你不刻意创作时发生的东西。
如果你没有失败,说明你的创新还不够。
The greatest experiments start with a simple question.