21.   Most systems have an executive cabinet, with each member directly and personally responsible for some major area of administration.

22.   None the less, in a just and thriving economy, an effective criminal justice system has important functions to perform.

23.   Such systems would have to learn from their mistakes, their observations and experiences of the world.

24.   The computer system had serious deficiencies.

25.   The constant risk from this radiation means that a complex system of precautions has to be maintained around every nuclear power site.

26.   The new system has some real advantages.

27.   The New York City school system has a rule book the size of two collegiate dictionaries.

28.   The old system had certain advantages for members, investors, and policy makers.

29.   The old system had some serious defects.