I need to exchange this shirt for a smaller size.

It is a system of direct exchange of goods.

These shoes have exchangeable insoles.

I teach Mr Lee's children English in exchange for room and board.

The exchange rate between the two currencies is constantly fluctuating.

I need to fill out a bill of exchange.

The corn exchange is a popular place for farmers to trade their crops.

Labour exchange is a platform that connects job seekers with employers.

I bought some snacks at the base exchange.

I bought some snacks at the navy exchange.