The purpose of the book is to provide a complete guide to the university.

本书旨在全面介绍这所大学。

《牛津词典》

To me, it depends on the purpose of the book.

对我来说，这要取决于读书的目的。

youdao

It is foreign to the purpose of the book to treat of French idioms.

讨论法语成语与这本书的宗旨无关。

youdao

So in this context, the river of oblivion serves an obvious purpose in the context we have here in Book Two.

故在这部分文本中，遗忘之河便是为了遗忘而存在的,在第二册书正是这样体现的。

耶鲁公开课 - 弥尔顿课程节选

Rodman, known as much for his wacky looks and lifestyle off the court as his considerable success on it, said the purpose of the book is simple.

WSJ: The Worm Turns: Rodman writes book for children

So, it could be that the main purpose of the book is to help business people become more conscious so that as they become more conscious of the things that they sort of do unconsciously, they can defend business better, and they can have businesses that are actually more successful as well.

FORBES: A Wholesome Approach To Capitalism From Whole Foods Co-Founder

Mr Achebe has drawn support from the publishers and academics, who say the sex scenes are central to the book and argue the purpose of literature is to mirror life rather than set moral codes.

BBC: NEWS | Africa | 'Pornographic' book sparks Kenyan row