Now we began this poem with the sense of the dreary repetitiveness in that opening phrase, "Yet once more," but here very close to the poem's end we have a vision of an end to all those fruitless exercises of repetition.

现在我们带着首句，“然而再一次的“里,沉闷的重复感开始读这首诗“,但是在诗的最后我们有一种,所有徒劳的重复行为都结束了的感觉。

耶鲁公开课 - 弥尔顿课程节选

that the suggested action has already been taken and therefore you do not want to do it again.

已经发生过的行为，因此你已经不再想重复了。

I've already 课堂 - SpeakingMax英语口语达人