He was trying to create some sort of exchange here.

She was a director of the exchange from 1977 until 1983.

I don't want us to have this sort of exchange.

This sort of exchange went on for a long time.

At first, this kind of exchange might not seem to make sense.

They wanted to wait until after the conference to see if a new kind of cultural exchange would take place.

"And what did you think of my exchange with his mother?"

"I believe this course is in the best interest of both the exchange and myself."

The men on the floor of the exchange knew it was coming.

But they spend the whole day running around the floor of the exchange.