Yeats sees the Second Coming as an image, as a myth, an idea, a metaphor, a certain stylistic arrangement of experience.

叶芝把第二次降临看成一个意向，一个神话，一个意识，一个比喻，一种诗意的安排和感受。

耶鲁公开课 - 现代诗歌课程节选

If might be an image, a comparison, the finding of likeness between unlike things which is at the heart of metaphor and simile making.

也可能是一个意象，一个对比，在不同之物中寻找到的相同点,而这也是隐喻和明喻的内涵。

普林斯顿公开课 - 人性课程节选