Yeats's career is maybe the most famous one in modern poetry that is, a career that has been seen as a kind of representative story about modern poetry as a whole. What's that story?

叶芝的事业在现代诗歌史上,也许是最著名的,他的事业被认为是,代表了现代诗歌整个历程,那这个历程是什么呢？

耶鲁公开课 - 现代诗歌课程节选