Services sold by a company during a particular period of time.

They hope to sell 100 by the end of the year.

Now closed and sold for use by a private company.

They expect to have sold 22 million games by the end of the year.

Officials recently cut in half a goal to sell 10 state companies by the end of the year.

They think it could sell in the $30-a-share range by the end of the year.

"We are going to sell 12 state companies by March."

We sell them only by the unit, she should know.

If you can sell it by tomorrow, we wouldn't think of standing in your way.

The game sold more than two million units by late 2006.