"exchange partners" is correct and usable in written English.
It is typically used to describe a situation where two people switch roles, jobs, or activities. For example, "The students were instructed to exchange partners before beginning the group exercise."
They don't want to lose exchange partners.
In exchange, partners would have a greater voice in global decision making.
The two principal couples, before they exchange partners, are vividly contrasted.
Actually, in the Kalahari, people send gifts to their exchange partners even when there isn't a crisis.
To cash them in without incurring charges you have to go to one of the American Express fee-free exchange partners.
It would turn out that the !Kung spent as much as three months a year visiting "exchange partners," and this was the key to their survival.
One cold spring in St Petersburg many years ago, my Russian exchange partner asked me to write out all of the lyrics to the Cranberries' song Zombie.
Homesick to the point of constant nausea, still a clumping child compared with my sophisticated exchange partner, too hot and constantly miserable.
The best way to address that concern, Mr. London said, is to have enough correspondence with the a potential exchange partner to feel comfortable with him or her.
If you think you need a more thorough application of concepts, as well as more structure and tailored guidance from an experienced tutor, it's unlikely you will get this from a language exchange partner or evening class.
Q. WERE THERE ANY SPECIAL MESSAGES IN THE GIFTS? A. That the relationship was alive and well, and to remind the exchange partner that they had a kind of contract to call on each other in times of need.
