Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then, when we open up the front, we see the author's note to the second edition, and this was something O'Connor added to the novel in 1962.

然后当我们打开书的前几页，会看到作者对第二版的注解，这是奥康纳在1962年加上去的。

耶鲁公开课 - 1945年后的美国小说课程节选

It's in response to what seems to have been an aesthetic reaction to the poem that the printer of Paradise Lost asked Milton, went back to Milton and asked him to append a note to the book's second printing -- to append a note that explains why the poem rhymes not.

这是弥尔顿对《失乐园》的出版商的答复,出版商问弥尔顿关于此诗的美学问题，他找到弥尔顿，让他给此诗的第二次印刷附一个,注解--附个注解解释这诗为什么不押韵。

耶鲁公开课 - 弥尔顿课程节选