Yeats once said that he wanted the natural words in the natural order, but he had a very highly cultured sense of what is natural, and his poetry is full of verbal archaism.

叶芝曾说他想让自然的话语,用自然的方式呈现，但对于,自然的定义他又将其高度文化化，他的诗歌有很多口语的古语表达。

耶鲁公开课 - 现代诗歌课程节选

Notice that final colloquial phrase, "to go."

注意最后口语化的表达，“去吧“

耶鲁公开课 - 现代诗歌课程节选