The sales kept increasing until a 624,000 total in its sixth week, though remaining at number 2.

It is not clear whether these sales alone keep his books on the best-seller lists.

The sales kept coming through at levels ahead of expectations.

I just need a full night's sleep and a few sales to keep the artists from whining at me.

This approach has not worked well, because sales kept falling.

Heavy post-Christmas sales also kept customers coming in well after the holiday.

But with no sales to keep revenue coming in, the new money was soon spent.

Besides, if sales kept growing, the business would eventually be too big for a single contractor.

Foreign sales can also keep endangered weapons programs alive.

The "phenomenal" sales results kept them under contract for four years.