If you really want to make your comments stand out, add a hashtag to it! Hashtags do a couple of things to your comments:
It flags important themes and
It makes your comment searchable.
What does it mean to have a searchable comment, you ask? Well, much like how you can search for topics such as "Italian" and be returned results that include vialogues containing "Italian" in the title and description, you can also search "#Italian" to see exactly what people are saying about it!