这本书讲的是作者指导企业如何利用在线营销打造独特的品牌，因此可知这是作

This book is about the author guiding businesses how to use online marketing to create a unique brand, so it is clear that this is the author's first-person way of expressing his ideas. The translator added "mine" as the subject of "idea" in this sentence to make the referent clearer. It is also easier for the reader to understand the meaning of the sentence.

This book is about the author's guidance on how to use online marketing to build a unique brand. Therefore, it can be seen that this is the author's first person way to express his ideas. The translator added "my" as the subject of "idea" in this sentence to make the referring object clearer. It is also easier for readers to understand the meaning of this sentence.

This book is about the author's guidance to enterprises on how to use online marketing to create unique brands, so it is known that this is the author's first-person way to express his ideas. In this sentence, the translator added "my" as the subject of "idea" to make the referent clearer. It is also easier for readers to understand the meaning of this sentence.