短語詞組短語additional l cost 追加成本Additional Premium Cost 保費附加成本modest additional cost 適度的額外成本additional cost item 附加成本項目Must bear additional cost 必須負(fù)擔(dān)額外的費用At No Additional Cost 并且沒有增加成本absorb additional cost to 承擔(dān)額外費用total net additional cost 費用凈增加數(shù)總額No additional cost 不會產(chǎn)生額外成本 返回 additional cost