eligibility
  適任,合格
  El·i·gi·bil·i·ty n.  The quality of being eligible; eligibleness; as, the eligibility of a candidate; the eligibility of an offer of marriage.
  ◄ ►
  eligibility
       n 1: the state of being eligible
       2: the quality or state of being eligible; "eligibility of a
          candidate for office"; "eligibility for a loan" [ant: ineligibility]