You can use the contents page or the index to look up something you are already familiar with, to see how the author treats this topic in this book.

你可以在目录或索引中找出你本已熟悉的部分，看一看本书的作者是如何阐述这一内容的。

youdao

You can use the contents page or the index to look up something you are already familiar with, to see how the author treats this topic in this book.

你可以在目录或索引中找出你本已熟悉的部分，看一看本书的作者是如何阐述这一内容的。

youdao