The bulk of the text is essentially a review of these original documents.

正文的大部分基本上是对这些原始文献的回顾。

《柯林斯英汉双解大词典》

The bulk of the text is essentially a review of those original documents.

课文的大部分内容基本上是对那些原始文献的评论。

youdao

The bulk of the text is essentially a review of those original documents.

课文的大部分内容基本上是对那些原始文献的评论。

youdao