Teachers, services and hardware are better. The pass rate is also high. There is a free audition class, so you can listen to it first.

Yes Com insists on "independent research and development courses". Yes Com has more than 300 R&D personnel, and adheres to the R&D standard of "iteration once every three months", from design, compilation, curriculum setting to final release. Yes, there are more than 0/80 live teachers/kloc (there is no part-time teacher position), and all teachers are recruited by the company independently. There is a standard for the teacher's regular screening: before the teacher officially becomes a regular, he must accept the three-month "Coffee Star" transformation plan, and the etiquette training team will give the teacher etiquette training guidance on teaching methods, image temperament, etiquette dress, Putonghua, makeup and so on. Yes Com insists on "independently developing excellent courses and interpreting various examinations from a new perspective". Yes Com has more than 300 R&D personnel and adheres to the R&D standard of "iteration once every three months" (the information on the market is basically updated once or twice a year). From design, writing, curriculum setting to final publication, yes. Com is completely "self-sufficient" and provides one-stop supply.