I want to back up now because I think it's important to fill in a little bit of the historical context behind that long but important prose treatise.

我想要退回去往前看是因为我认为,补充一些历史背景对于,解读那篇冗长却又很关键的政论是很重要的。

耶鲁公开课 - 弥尔顿课程节选

There will be a packet that you can order from RIS that gathers a few supplementary readings.

你们可以从RIS出版社订购,他们的版本还添加了一些补充阅读。

耶鲁公开课 - 现代诗歌课程节选