specialties
  專門,特性,特別
  Spe·cial·ty n.; pl. Specialties
  1. Particularity.
     Specialty of rule hath been neglected.   --Shak.
  2. A particular or peculiar case. [Obs.]
  3. Law A contract or obligation under seal; a contract by deed; a writing, under seal, given as security for a debt particularly specified.
     Let specialties be therefore drawn between us.   --Shak.
  4. That for which a person is distinguished, in which he is specially versed, or which he makes an object of special attention; a speciality.
     Men of boundless knowledge, like Humbold, must have had once their specialty, their pet subject.   --C. Kingsley.
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