ap·pre·ci·a·tion /əˌpriʃiˈeʃən, ˌprɪ ||ˌprisi-/
  賞識,鑑識,感激
  Ap·pre·ci·a·tion n.
  1. A just valuation or estimate of merit, worth, weight, etc.; recognition of excellence.
  2. Accurate perception; true estimation; as, an appreciation of the difficulties before us; an appreciation of colors.
     His foreboding showed his appreciation of Henry's character.   --J. R. Green.
  3. A rise in value; -- opposed to depreciation.
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  appreciation
       n 1: understanding of the nature or meaning or quality or
            magnitude of something; "he has a good grasp of
            accounting practices" [syn: grasp, hold]
       2: delicate discrimination (especially of aesthetic values);
          "arrogance and lack of taste contributed to his rapid
          success"; "to ask at that particular time was the ultimate
          in bad taste" [syn: taste, discernment, perceptiveness]
       3: an expression of gratitude; "he expressed his appreciation
          in a short note"
       4: a favorable judgment; "a small token in admiration of your
          works" [syn: admiration]
       5: an increase in price or value; "an appreciation of 30% in
          the value of real estate" [ant: depreciation]