在此背景下，市场营销组合决策理论在金融行业，尤其是在个人外汇买卖业务过程中具有重要作用。

Under this background , this thesis wants to find the using methods of the marketing theory for financial estate, especially, for the personal foreign exchange trading.

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外汇、有价证券、期货等金融商品买卖业务，以卖出价减去买入价后的余额为营业额。

For businesses buying and selling foreign currencies, marketable securities and futures, the turnover shall be the balance of the selling prices less the buying prices.

youdao

外汇、有价证券、非货物期货和其他金融商品买卖业务，以卖出价扣除买入价后的余额为计税营业额。

For buying and selling foreign currencies, marketable securities, non-commodity futures and other financial goods, the turnover shall be the balance of the selling price less the buying price.

youdao