万教授:朱院长,各位老师,同学们,上午好!我这次是作为中南大学的特聘讲座教授来长沙讲学的,每年需要到中南大学开一、两门课程。咱们湖南大学的博士论坛很早就和我联系,朱院长说希望我来这里谈一次,同大家一起讨论一些我们共同感兴趣的问题。我过去也答应过,但是一直没有机会。这次来对我的身体来说是一个比较大的挑战,因为最近连续讲了六天课,很累。当我答应到咱们的博士论坛来讲的时候我就一直考虑一个问题:我给大家讲什么比较好?最重要的是我必须找 Professor Wan: Prof. Zhu, teachers, students, good morning! This time I came to Changsha for lectures as a distinguished lecture professor at Central South University. Each year I need to go to Central South University for one or two courses. We Hunan University doctoral forum has long been in contact with me, President Zhu said I hope I come here to talk with you to discuss some of our common interest in the issue. I have promised in the past, but I have not had a chance. This time to my body is a big challenge, because the last six consecutive days talk about class, very tired. When I promised to talk about our Ph.D. forum, I always considered the question: what would I say to everyone? The most important thing is that I have to find