But the best is to exchange on the black market.

They looked at one another without exchanging a word on either side.

The three of them were said to have exchanged ideas on this subject.

The two exchanged a glance, on either side of his face.

It is always useful to exchange information on economic policy decisions.

Money must be exchanged in banks, not on the streets.

The last 1,761 prisoners were exchanged on May 22, 1865.

The letters were exchanged on the 11 and 12 August 2010.

There's still a small amount of data that hasn't been exchanged, on all sides.

Which shop do you think would have exchanged on this basis?