Chapters two and three are the second part and key content.

第二、三章是第二部分，是本文的重点内容。

youdao

I think you can get through the first two chapters.

我想你能完成前两章。

《柯林斯英汉双解大词典》

If you have to cover 12 chapters in American history, begin by planning on three two-hour reviews with four chapters per session.

如果你必须涵盖美国史的12个章节，首先计划3次2小时的复习，每次4章。

《柯林斯英汉双解大词典》

The book is pieced together, at least in this portion, by combining two chapters 1, two chapters 2 and so forth.

FORBES: SciFi Book Club: Embassytown - Latterday, Formerly and the Ambassadors

There are two chapters, both on what we've done in the United States, what's been done in other countries.

WHITEHOUSE: Press Briefing

Behavioral finance also plays a big role in the returns people earn, and the book has two chapters on this topic.

FORBES: Seeking Alpha and Discovering the Truth