完形：
    67:under
    68:commonly
    69:tends
    70:therefore
    71:case
    72:describing
    73:maintained
    74:another
    75:take
    76:what
    77:and
    78:fundamental
    79:suppose
    80:words
    81:contrast
    82:to
    83:which
    84:called
    85:distinguished
    86:uniform