The phrase "natural pairing" refers to two things that naturally go together or complement each other well. It means that these two things are a good match or combination. Full definition
So pumpkin pie - stuffed chocolate cupcakes might not sound like the most natural pairing and I'll admit that they are a little odd. (thepancakeprincess.com)
The two products are a very natural pairing given how seamlessly they work together. (goodereader.com)
«It is about the process of buying a house or condo, and we utilize natural pairings of salespeople. (realtormag.realtor.org)