translation.en: The things that people have tried to do in the last 25 years or so with string theory and so on have been an interesting exploration that has tried to get back to the standard model, but hasn't quite gotten there.
translation.zh: 人们在近25年里已尝试的事情 有关弦论等等 都是非常有趣的探索 这些探索已经尝试回到标准模型， 却还不能到那一步。