n. 不关心, 不计较, 冷淡, 无关紧要, 不在乎, 中立, 中性

Indifferency \In*dif"fer*en*cy\, n.
Absence of interest in, or influence from, anything;
unconcernedness; equilibrium; indifferentism; indifference.
--Gladstone.

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.