suf·fi·cien·cy /səˈfɪʃən(t)si/
 充分,充分的數量,足夠的資力


 Suf·fi·cien·cy n.
 1. The quality or state of being sufficient, or adequate to the end proposed; adequacy.
    His sufficiency is such that he bestows and possesses, his plenty being unexhausted.   --Boyle.
 2. Qualification for any purpose; ability; capacity.
    A substitute or most allowed sufficiency.   --Shak.
    I am not so confident of my own sufficiency as not willingly to admit the counsel of others.   --Eikon Basilike.
 3. Adequate substance or means; competence. “An elegant sufficiency.”
 4. Supply equal to wants; ample stock or fund.
 5. Conceit; self-confidence; self-sufficiency.
    Sufficiency is a compound of vanity and ignorance.   --Sir W. Temple.

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 sufficiency
      n 1: sufficient resources to provide comfort and meet
           obligations; "her father questioned the young suitor's
           sufficiency"
      2: an adequate quantity; a quantity that is large enough to
         achieve a purpose; "enough is as good as a feast"; "there
         is more than a sufficiency of lawyers in this country"
         [syn: enough]
      3: the quality of being sufficient for the end in view; "he
         questioned the sufficiency of human intelligence" [syn: adequacy]
         [ant: insufficiency, insufficiency]