over·plus /ˈovɚ/
  賸餘,過剩
  O·ver·plus n.  That which remains after a supply, or beyond a quantity proposed; surplus.
  “The overplus of a great fortune.” --Addison.
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  overplus
       n : extreme excess; "an embarrassment of riches" [syn: plethora,
            superfluity, embarrassment]