由中介参与的付款与交货流程，提高了双方的互相信任程度； 交易双方的直接讨价还价，提高了效率；

During the delivery and payment, the participation of broker can improve the mutual trust between both parties with direct bargaining available, thus improving the efficiency.

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许多情况下，目标是实现管理操作(与订货、交货、计价和付款有关的所有文书工作)的自动化以降低成本。

In many cases the goal is to automate the administrative operations (all the paperwork associated with ordering, delivering, invoicing, and paying) and therefore reduce the cost.

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