To exchange something means to exchange something; Changing A for B means changing A for B. The basic meaning of exchange is "exchange", which can refer to changing one thing into another by trade. It can also refer to the general exchange of one thing with another; Sometimes it means changing things between two or more people. Extension can refer to the exchange of experience and ideas.

Exchange usage Exchange can be used as both an intransitive verb and a transitive verb. When used as a transitive verb, a noun or pronoun is followed by an object, and the noun behind it is generally plural.

The object of exchange is often followed by the preposition for, which means "exchange for"; The preposition with means "exchange something with someone"

Exchange is usually followed by plural nouns, but if the nouns are behavioral nouns, they can also be singular.

Exchange with exchange rate: financial exchange rate, financial exchange rate, foreign exchange rate.

Futures exchange: futures exchange, futures business department and futures exchange.

Ion exchange: ion exchange, ion exchange method, denitrification, ion exchange resin.