relinquishment
  作罷;讓渡
  Re·lin·quish·ment n. The act of relinquishing.
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  relinquishment
       n 1: a verbal act of renouncing a claim or right or position etc.
            [syn: relinquishing]
       2: the act of giving up and abandoning a struggle or task etc.
          [syn: relinquishing]