短語詞組短語securities invest dealer risk administer 券商風險琯理government securities primary dealer system 國債一級自營商制度government securities dealer 政府債券交易商Securities dealer evaluation 券商評級network based securities dealer 網上証券經紀公司primary government securities dealer 政府証券主交易商securities broker and dealer 証券經紀人和交易員securities dealer loan 証券商放款Licensed or exempt securities dealer 持牌或獲豁免証券交易商 返回 securities dealer