scar·ci·ty /ˈskɛrsəti, ˈskær, sti/
  缺乏,不足,缺少
  Scarce·ness Scar·ci·ty n. The quality or condition of being scarce; smallness of quantity in proportion to the wants or demands; deficiency; lack of plenty; short supply; penury; as, a scarcity of grain; a great scarcity of beauties.
     A scarcity of snow would raise a mutiny at Naples.   --Addison.
     Praise . . . owes its value to its scarcity.   --Rambler.
     The value of an advantage is enhanced by its scarceness.   --Collier.
  Syn: -- Deficiency; lack; want; penury; dearth; rareness; rarity; infrequency.
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  scarcity
       n : a small and inadequate amount [syn: scarceness] [ant: abundance]