4. The board is frequently covered in equations. Have you ever wondered what those equations mean? Well, we may never know what they mean, but they are all real, accurate equations. Very impressive, Big Bang. Very impressive indeed.
5. The work of Alvin Roth and Lloyd Shapley has sparked a "flourishing field of research" and helped improve the performance of many markets, the Royal Swedish Academy of Sciences said.
6. May happiness follow you wherever you go!愿您幸福快乐，直到永远永远。