nev·er·more /ˌnɛvɚ/
  (ad.)決不再,不重覆
  Nev·er·more adv. Never again; at no time hereafter.
  Where springtime of the Hesperides
  Begins, but endeth nevermore.   --Longfellow.
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  nevermore
       adv : at no time hereafter; "Quoth the raven, nevermore!" -E.A.Poe
             [syn: never again]