首先，请允许我对“结构”一词发表几句忠告，它是我们这次会议的主题。关于这个概念，也许会出现许多错误的、混乱的和越来越近似的用法，我以为，不久，这个词将成为一种时髦。可是，对我来说，它并非如此。因为我运用这个术语已经由来已久——我在自己的讲座开始时就已经使 First of all, allow me to give a few words of advice on the word “structure”, which is the subject of our meeting. There may be many wrong, confusing, and increasingly similar uses of this concept, and I think it will soon become a fashion. However, to me, it is not. Because I’ve used this term for a long time - I’ve made it at the beginning of my lecture