Their margin of technical superiority is shrinking faster than they can expand it.

They're still going faster than they would on foot, but that margin is shrinking.

The fear is that with the commercial banks allowed to compete for underwriting business, margins there will shrink as well.

That gave Washington a 101-93 lead with 4:59 left, and the Bullets never let the margin shrink below 6 points.

With each successive vote, the leadership's margin of victory has shrunk.

The margin shrinks to $2.25 for the physical version.

But as margins shrank, the June quarter brought a pretax loss.

As usual Blade won all three, but his margin of victory was shrinking steadily.

But from 2000 to 2002, a period when such sites came into popular use, the margins shrank to 2.9 percent and 2.5 days.

Another reason for the poor profits is that spending has ballooned, and margins are shrinking.