pref·er·ence /ˈprɛfɚ/
 偏愛,優先,優先權,優先的選擇
 preference
 優選
 Pref·er·ence n.
 1. The act of Preferring, or the state of being preferred; the setting of one thing before another; precedence; higher estimation; predilection; choice; also, the power or opportunity of choosing; as, to give him his preference.
    Leave the critics on either side to contend about the preference due to this or that sort of poetry.   --Dryden.
    Knowledge of things alone gives a value to our reasonings, and preference of one man's knowledge over another's.   --Locke.
 2. That which is preferred; the object of choice or superior favor; as, which is your preference?
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 preference
      n 1: a strong liking; "my own preference is for good literature";
           "the Irish have a penchant for blarney" [syn: penchant,
            predilection, taste]
      2: a predisposition in favor of something; "a predilection for
         expensive cars"; "his sexual preferences"; "showed a
         Marxist orientation" [syn: predilection, orientation]
      3: the right or chance to choose; "given my druthers, I'd eat
         cake" [syn: druthers]
      4: grant of favor or advantage to one over another (especially
         to a country or countries in matters of international
         trade, such as levying duties)