People's relationship with social media also defies categorisation.

人们与社交媒体的关系也无法分类。

So Eichengreen has a lot of categorisations, but maybe I'd boil it down to just two.

艾肯格林有很多分类， 但也许我会把它归结为两种。

Such categorisations may seem self-indulgent, but they have shown promise in guiding people towards the right medications.

这种分类可能看起来有些自我放纵，但它们在指导人们使用正确的药物方面显示出了希望。