imperativeness
  命令式之事
  imperativeness
       n 1: the state of urgently demanding notice or attention; "the
            press of business matters" [syn: insistence, insistency,
             press, pressure]
       2: urgently demanding attention; "the insistence of their
          hunger"; "he pressed his demand with considerable
          instancy" [syn: insistence, insistency, instancy]