What about Sun Jiangyuan's logic?

What about Sun Jiangyuan's logic? The answer is: Sun Jiangyuan has good logic. Teacher Sun is talking about useful experience and likes the teacher's style very much. The students also communicate well and the sound quality is ok. They basically heard clearly and spoke in detail. Thank you very much for your selfless dedication. Teacher Sun speaks very well and has a wide range of knowledge. I like his lecture style very much. He spoke very truthfully and benefited a lot. Teacher Sun's theory is solid, close and easy-going, rich in literary talent, humorous, clear and meticulous in teaching content, appropriate in words, novel in lectures, clear in organization, fluent in expression, infectious in speech speed and lively in language.