Many people have to be admitted even if they choose to scratch their heads. Public teachers have stable jobs and salaries, and various welfare benefits conform to the trend of the times. More importantly, as public teachers, their rest time is relatively fixed and they don't need to hand over outstanding students. For example, they can also fulfill their big wish of buying a house and marrying a daughter-in-law. More importantly, public teachers can accept some parents' gifts aboveboard.