ad·van·ta·geous /ˌædˌvænˈteʤəs, vən-/
  (a.)有利的,有益的,方便的
  Ad·van·ta·geous a.  Being of advantage; conferring advantage; gainful; profitable; useful; beneficial; as, an advantageous position; trade is advantageous to a nation.
     Advabtageous comparison with any other country.   --Prescott.
     You see . . . of what use a good reputation is, and how swift and advantageous a harbinger it is, wherever one goes.   --Chesterfield.
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  advantageous
       adj 1: giving an advantage; "a contract advantageous to our
              country"; "socially advantageous to entertain often"
              [ant: disadvantageous]
       2: appropriate for achieving a particular end; implies a lack
          of concern for fairness [syn: appropriate]