It concludes with a very useful summary of key points, with cross-references to where each key point is dealt with in the book.

它在结论中对要点进行了非常有用地总结，并标出了书中讲述每个要点的参照章节。

I didn't have time to read the book, so I just read a summary on the Internet.

我没有时间读这本书，所以我只是在网上看了这本书的概括。

I used to be the student who would read the first and last chapter of a book, along with the summary, and write a book report.

我曾经是那种读完一本书的第一章和最后一章以及摘要后就写上读书报告的人。