dis·cus·sion /dɪˈskʌʃən/
  討論,商議
  Dis·cus·sion n.
  1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like. [archaic]
  2. The act of discussing or exchanging reasons; examination by argument; debate; disputation; agitation.
     The liberty of discussion is the great safeguard of all other liberties.   --Macaulay.
  Discussion of a problem or Discussion of an equation Math., the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result.
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  discussion
       n 1: an extended communication (often interactive) dealing with
            some particular topic; "the book contains an excellent
            discussion of modal logic"; "his treatment of the race
            question is badly biased" [syn: treatment, discourse]
       2: an exchange of views on some topic; "we had a good
          discussion"; "we had a word or two about it" [syn: give-and-take,
           word]