翻译：“我们要先看一下书后的附录，以便集中精力阅读和主题有关的章?
：“我们要先看一下书后的附录，以便集中精力阅读和主题有关的章节。” First ,we should look addenda from a book in order to concentrate on reading and about a book's chapter.
First, we need to browse through the appendixes of the book so that we can focus our reading on the chapters related to the topics.