I think it's possible to see that "they" as the sort of general forces of modernity, of everything at odds with the aristocratic culture Yeats and these women shared, inhabited.

我认为可以把它们看作“,某种现代性的力量，所有和贵族文化不一致的,叶芝和两个女人所共有的。

耶鲁公开课 - 现代诗歌课程节选