So long as some people in the community accept items in trade
that they intend to trade away in the future, then the community
uses indirect exchange. However, if it so happens that no single
commodity is accepted as a medium of exchange by everybody in
the community, then there wouldn't be a money. In other words,
even though lots of people might accept objects intending to
trade them away again, the people use different objects in this
way.
Sample Partial Credit Answer
When someone visits another country, his money isn't accepted
and he doesn't think what they use is "money" either. But the
people in that country aren't using barter.