21.   But the system remains devilishly complex and easy to hide within.

22.   But the system remains in place for the season.

23.   But the system remains a cumbersome and piecemeal hodgepodge of state archives.

24.   But the system remains accident-prone.

25.   But Wyden says the tax system cannot remain the same when the way that money changes hands is starting to go through a fundamental transformation.

26.   But while the industry was transformed, the air traffic control system has remained virtually unchanged.

27.   Despite the extensive reorganization of medical care that this country has witnessed in recent years, the system remains penny-wise and pound-foolish.

28.   Election commissions around the world, however, might be surprised at how low-tech the U.S. system remains.

29.   Even their legal systems remain separate and distinct.

30.   Even so, the system remains an amalgam of private and public money.