1. Responsibilities: The officer's responsibility is to handle the daily affairs within the organization, including document processing, meeting organization, data arrangement, personnel management and administrative work. Teachers are responsible for teaching, including preparing lessons, giving lectures, correcting homework and tutoring students.

2. Career development: the career development direction of officers is administrative positions, such as office director and secretary. Teachers' career development direction is the field of education, including schools, training institutions, education administrative departments and so on.