Although specific practices will vary from meeting to meeting, there are general similarities.

All have general similarities but no two are identical.

This must have come from a different factory, though there were a few general similarities in design.

The proximity brings out stark differences that outdistance a few general similarities.

The suborder is classified on the basis of general similarities.

There is a general similarity, with a certain amount of difference in detail, in these various forms.

We can assume a general similarity to the ones we know, but there will be regional differences.

There are general similarities between the two areas.

There are general similarities in the music, but is usually social (public) or ceremonial (private).

Now, the general similarity to the exchange program we are entering with the aliens seems pretty obvious.