2 save money: the cost of class hours is low, there is no office space cost, and there is no luxury flyer cost, which saves money for parents.

3 worry: avoid all the safety hazards of students attending classes outside.

4 Supervision: Parents can supervise the whole teaching process at the teaching site at any time to prevent individual teachers from fooling their children.

5. Strong pertinence: timely check for missing parts, make learning more interactive, and communicate with teachers at any time.

Strong flexibility: the class time is flexible, and the class time can be adjusted appropriately according to the situation. One-on-one teaching time is adjustable, which is popular with students.