1.  We need to keep costs down.

2.  Builders seem to scrimp on windows to keep costs down.

3.  To keep the cost down, opt for a basic model.

4.  Only by keeping down costs will America maintain its competitive advantage over other countries.

5.  The computer is an aid to keeping costs down.

6.  Okay you have to keep your cost down.

7.  The union reacted bitterly to a toughly worded edict from Darlington area delivery services manager Spencer Hindmarsh to keep costs down.

8.  Nuclear power is also needed to keep the cost of electricity down.

9.  All those programs are operating successfully, keeping costs down and the recidivism rate low, the audit said.

10.  Amazon.com executives and analysts agree that the online retailer must keep costs down while encouraging consumers to open their wallets.