短语词组短語writeoff f 勾銷債款Receipt Writeoff 收款注銷bad debt writeoff 壞帳注銷Taxrelated writeoff concepts 與稅務有關的撇帳概唸net writeoff rate 比率current writeoff method 儅期轉銷法Certification of Household registration writeoff 戶口注銷証明 返回 writeoff