People's actual interests differ from what they believe to be their interests.
Author's interests differ, and so papers may be cited for very different reasons.
Generally, interest differs between people, and gender depends on sexual orientation.
By default, all co-owners own equal shares, but their interests may differ in size.
Villa-Flotilla is a superb compromise for families whose interests differ.
While the interests which ruled the foreign policies of European states might differ, the machinery which put them into effect did not.
In fact, we almost inhabit different words from other people, as our tastes and our interests differ so much.
In what way would their interests differ from ours?
Just as every country's interests differ, so do their strategies.
Although our interests often differed, we were always there for each other.