This has a lot to do with the teacher. If the teacher's teaching method is scientific, and you insist on exercising according to this method, then it is very useful for you to go to Xi 'an to attend a speech eloquence training class. But if the teacher is unprofessional and the method is wrong, no matter how you exercise, the improvement of speech eloquence is still very slow. Teacher Xin Licheng has undergone systematic training and strict examination before giving lectures, and can only give classes to students after passing the examination. If you don't like a teacher, it doesn't matter. Every campus often has different teachers to attend classes, and there is always one for you!