title: 有哪些学术性强的笑话/段子？
desc: 你知道哪些专业性较强的笑话or段子？<br>学科不限专业不限。
topic: 数学
content: Theory is when you know everything but nothing works. Practice is when everything works but nobody knows why. In our lab， theory and practice are combined nothing works and nobody knows why. 理论与实践结合就是我们实验室的现状。也欢迎大家对号入座。
answerer_tags: Machine Learning/ Phycology/ dǒujīling