Most importantly, they can only see the content sent by the teacher on WeChat, which is amazing. At that time, the parents of children could not communicate with each other. If they had spent so much money to see this training method, they would have quarreled long ago! In the third stage, I taught myself at home, and there was no electronic manuscript in the history part, and I didn't ask again and again. I said I'll review it, and I'll pay you.
You can't expect to see the effect in the "super brain" competition, ok!
Look before you leap!