The rates of exchange are constantly fluctuating.

There are many Strowger exchanges in the city.

They exchanged gifts on their anniversary.

I have several mint pars of exchange in my collection.

The mint par of exchange is the fixed value at which one currency can be exchanged for another.

The cation exchanges in the soil play a crucial role in nutrient availability.

These items are exchangeables.

Investors should be aware of the exchange rate risk when investing in foreign currencies.

Foreign exchange risk is a major concern for multinational companies.

Fair exchange is no robbery.