They all invite college students to tutor at home, but tell their parents that they are on-the-job experienced teachers in order to get more money. It's darker than a tutor. At the beginning, the intermediary only charged the intermediary fee, but the giant education was drawn. If parents pay it 130 yuan every two hours, it only pays 70 yuan, the tutor, and draws 60 yuan every time.

It also deducts teachers' salaries and delays payment.