1. Degree: Revision opinions usually mean that some specific parts of the text must be revised, which is relatively stronger and more direct. Modification suggestion is a suggestion or guidance on how to better modify the text, which is relatively more gentle and flexible.
2. Focus: The revision opinions are more about the parts that need to be revised, while the revision suggestions are more focused on providing reference for how to revise. It may provide some specific modification methods or alternatives, but it is not necessarily mandatory.
Generally speaking, the suggestion of revision is to provide guidance on how to revise the text, while the suggestion of revision is more to point out which parts need to be revised. Both of them can help readers better understand and process the text, but which one to use depends on the specific situation and needs.
It should be noted that the above content is only a general understanding, and there may be more situations and usages in practical application. In a specific context, these two words may have different meanings and need to be understood and used according to the specific situation and context.