资料来源 : Webster's Revised Unabridged Dictionary (1913)

Subject-matter \Sub"ject-mat`ter\, n.
   The matter or thought presented for consideration in some
   statement or discussion; that which is made the object of
   thought or study.

         As to the subject-matter, words are always to be
         understood as having a regard thereto.   --Blackstone.

         As science makes progress in any subject-matter, poetry
         recedes from it.                         --J. H.
                                                  Newman.