in·dif·fer·en·cy /-fɝn(t)si, f(ə)rən(t)si/
  不關心;無興趣
  In·dif·fer·en·cy n. Absence of interest in, or influence from, anything; unconcernedness; equilibrium; indifferentism; indifference.
     To give ourselves to a detestable indifferency or neutrality in this cause.   --Fuller.
     Moral liberty . . . does not, after all, consist in a power of indifferency, or in a power of choosing without regard to motives.   --Hazlitt.
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