交换媒介：买者在购买物品与劳务时给予卖者的东西。
Medium of exchange is an item that buyers give to sellers when they want to purchase goods and services.
这里没有货币；货物与劳务直接交换其他的货物与劳务。
There is no money; goods and services are directly bartered against other goods and services.
船员劳务合同是船员与雇佣方建立劳动力交换关系的基础。
As the basis of labor relationship, the crew's contract is very important to protect the crew's benefit.
市场营销就是通过市场交换活动，引导商品或劳务流向顾客，以满足顾客需求，实现企业目标的综合性商务活动过程。
The marketing concept is a philosophy. It makes the customer, and the satisfaction of his or her needs, the focal point of all business activities.
市场营销就是通过市场交换活动，引导商品或劳务流向顾客，以满足顾客需求，实现企业目标的综合性商务活动过程。
The marketing concept is a philosophy. It makes the customer, and the satisfaction of his or her needs, the focal point of all business activities.
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