1, Xiaohong, a math teacher in Zhenjiang No.3 Middle School, has rich teaching experience and ten years' teaching experience, while Xiaolan, a math teacher, has little teaching experience and is still in the internship period.

Xiaohong, a math teacher in Zhenjiang No.3 Middle School, has a master's degree, and Xiaolan, a math teacher, has a bachelor's degree. In contrast, Miss Xiaohong is not bad.