Wage difference
The salary with preparation is high, and the salary without preparation is low.
Welfare treatment difference
Those who are prepared have three insurances and one gold, and those who are not prepared only have wages.
Stability difference
Teachers who are unprepared face dismissal at any time.
Employment opportunity difference
Teachers with staffing can be class teachers, class teachers and administrative personnel. Teachers who are not prepared can be classroom teachers at most, and others have no chance.