Who is better, Zhang or Li Wantong?

Of course, Mr. Zhang is a great teacher. Mr. Zhang is an inheritor of Yi-ology culture, an international senior psychological counselor, a master of international relations from Ritsumeikan University, a doctor of Yi-ology from the School of Philosophy of Beijing Normal University, a senior lecturer in China's international certification of Chinese as a foreign language, a distinguished lecturer in the Chinese Studies Lecture Hall of Confucius Institute overseas, and a cultural trainer in China from the London Federation of Chinese Business Enterprises.