astuteness
  機敏,精明
  As·tute a.  Critically discerning; sagacious; shrewd; subtle; crafty.
  Syn: -- Keen; eagle-eyed; penetrating; skilled; discriminating; cunning; sagacious; subtle; wily; crafty.
  As*tute*ly, adv. -- As*tute*ness, n.
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  astuteness
       n 1: intelligence manifested by being astute (as in business
            dealings) [syn: shrewdness, perspicacity, perspicaciousness]
       2: the intellectual ability to penetrate deeply into ideas
          [syn: profundity, profoundness, depth]