To digress somewhat, there are a large number of rounds in Cornwall, usually located on spurs of land or prominently on hillslopes.
I want to digress a moment to note that reports of strange aerial phenomena are not peculiar to the post WWII period.
Let's don't digress again.
You can digress slightly.
At this point you should digress briefly into the concept of psychological structure.
I need to digress at this point.
Let me digress a bit to let the ink dry.
Let me digress here to discuss the problem of our youth, particularly in the advanced industrialized nations.
I need to digress for a moment here.
I want to digress to consider those categories which have, from my point of view, important sociological significance.