21.   But the customers whose orders are sent to an ECN benefit only if a sufficient number of other investors are there seeking to trade.

22.   Complaints had been filed against Avis, contending that it did not provide a sufficient number of hand controls in the various car models it leased.

23.   Even in a country as immature and shortsighted as the United States, there never could have been sufficient numbers of adults who would actually cast votes for Reagan.

24.   Even if sufficient numbers of Republicans back the proposal, it must still pass the Senate and be signed into law by the president for it to take effect.

25.   Fortunately, a sufficient number of lawmakers rallied last week to block the devastating cut on the House floor, as they have in the past.

26.   For some reason, though there is almost always a sufficient number of washers, there is almost always a shortage of dryers.

27.   He could not win over a sufficient number of even his most likely supporters.

28.   He was re-elected not because Mississippians agreed with him, but because a sufficient number of them admired his courage.

29.   However, they are not outfitted with sufficient numbers of heavy tanks and artillery needed to become an offensive battle force.

30.   If a gadget performs well enough and sufficient numbers of Americans spring for it, it can lose its gadget-hood and turn into a household staple.