Is it a lie to teach famous teachers?

1. The teachers of excellent courses are all China. These teachers have rich teaching experience and let students integrate into teaching.

2. There is a way, the class form of excellent courses is webcast or video recording. Students can attend classes at a fixed time every day, and each class is specially explained by this teacher. Teachers will give different explanations according to different knowledge points, so that students can learn their own methods. Every knowledge point will be told to students in detail, hoping that students can thoroughly understand this knowledge point.