A chapter is a special section, which starts with a new page and has a number displayed by default.

章节是一个特殊的小节，默认情况下，章节从一个新的页面开始，并显示一个默认的编号。

youdao

At the top, you get the book's title, and along the bottom is the chapter number and your progress in that particular section -- we'd have preferred a more basic page number, but to each his own.

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