in·sis·ten·cy /-tən(t)si/
  強調;強要;主張
  insistency
       n 1: the state of urgently demanding notice or attention; "the
            press of business matters" [syn: imperativeness, insistence,
             press, pressure]
       2: urgently demanding attention; "the insistence of their
          hunger"; "he pressed his demand with considerable
          instancy" [syn: imperativeness, insistence, instancy]