n. 兑换；股票买卖；汇兑业务，货币兑换
1.The agiotage is the negotiable securities company's come income originates, is negotiable securities company one of four big main business services.
证券经纪业务是证券公司的主要收入来源，是证券公司四大主营业务之一。
2.The agiotage is the negotiable securities company's come income originates, is negotiable securities company one of four big main business services.
证券经纪业务是证券公司的主要收入来源，是证券公司四大主营业务之一。