The crew of this ship made money by trading.

Typically the intermediary offer some added value to the transaction that may not be possible by direct trading.

Oil prices now jump quickly because the industry has been transformed, in part by electronic trading.

Usually, people with diverse preferences and assets turn those differences to mutual advantage by trading.

The firms hope to profit by trading, retaining or restructuring the securities.

If they get down by trading, that's one thing.

The only way to get the other two is by trading.

This choice is usually the least attractive given the ability to comply by trading.

It is essential to understand that, indeed, both of us can be better oV by trading.

She told them of the good things they could get by trading.