"In some ways, we have exchanged roles since our journey began," she observed aloud.

At the end of each over, the two umpires will exchange roles.

The two ships exchanged roles after another refit in the mid-1870s.

If their numbers are the same, then they exchange roles in the game.

They go on to exchange roles as well as jobs, and finally, for a time, wives.

I suppose we exchanged roles for a time," she murmured.

Perhaps the greatest myth about the changing relationship of an adult child and her parents is that they exchange roles.

At the end of a few years, the two battalions would exchange roles.

Team members can frequently exchange roles depending on their preferences.

It would be quite alarming if Parliament were to exchange roles and, instead of making the running, hand over that role to its opponents.