1, the sail book can be used as a proof of teaching ability and can show your teaching level and professional knowledge to potential employers or customers.

2. You can get more career opportunities in the field of education if you have a sail book and a lecturer's certificate, such as teaching in a training institution or school, or starting your own training institution.

3. By obtaining the flip lecturer certificate, you can constantly improve your teaching level and professional quality, so as to better provide quality education services for students.