What does a math editor do? Which is better than the math teacher?

It is better to be a teacher with high salary and stability. The so-called math editors are usually in book publishing companies and the like. A few days ago, a company in Beijing came to our school to recruit a math editor. According to the feedback from the classmates who have been there, it doesn't make sense, that is,

change

Printing mistakes and so on, it is difficult to have any future.