ac·qui·es·cence /-ˈɛsṇ(t)s/
  默許,默認,無可奈何的同意
  Ac·qui·es·cence n.
  1. A silent or passive assent or submission, or a submission with apparent content; -- distinguished from avowed consent on the one hand, and on the other, from opposition or open discontent; quiet satisfaction.
  2. Crim. Law (a) Submission to an injury by the party injured. (b) Tacit concurrence in the action of another.
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  acquiescence
       n 1: acceptance without protest
       2: agreement with a statement or proposal to do something; "he
          gave his assent eagerly"; "a murmur of acquiescence from
          the assembly" [syn: assent]