un·earned /-ˈɝnd/
  (a.)不勞而獲的,自然得到的,不相稱的
  Un·earned a. Not earned; not gained by labor or service.
  Unearned increment Polit. Econ., a increase in the value of land due to no labor or expenditure on the part of the owner, but to natural causes, such as the increase of population, the growth of a town in the vicinity, or the like. Some hold that this should belong to the nation.
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  unearned
       adj : not gained by merit or labor or service; "accepted the
             unearned rewards that came his ways as well as the
             unearned criticism"; "unearned income"; "an unearned
             run" [ant: earned]