“关键的问题是你复制了别人的书而不是买下它”她说道，“这种行为从道德层面来讲它是不是错误的呢？

“The core issue here is that you are creating a copy of something rather than buying it, ” she said. “Is it morally incorrect?

youdao

可以在材料的空白处做笔记(如果你是使用复制材料或者自己的书的时候)，或者单独做摘记。

Take notes either in the margins of your source (if you are using a photocopy or your own book) or on a separate sheet as you read. Put away that highlighter!

youdao

这些书可以被打印或在计算机中阅读，或者复制在CD, DVD上。

The books could be printed or read on a computer or copied onto a CD or DVD.

youdao

In fact, the famous frontispiece of the book, which is reproduced in your edition, although it is not altogether very clear.

事实上，这本书的卷首非常有名，这在你们的版本里也有复制，虽然不是那么清楚。

耶鲁公开课 - 政治哲学导论课程节选