这些航天飞机或在今年秋天集体退役，随即将被出售。
The shuttles are for sale once they quit flying, supposedly this fall.
营销是个人和集体通过创造，提供出售，并同别人交换产品和价值，以获得其所需所欲之物的一种社会和管理过程。
Marketing is a social and managerial process by which individuals and groups obtain what they need and want through creating and exchanging products and value with others.
营销是个人和集体通过创造，提供出售，并同别人交换产品和价值，以获得其所需所欲之物的一种社会和管理过程。
Marketing is a social and managerial process by which individuals and groups obtain what they need and want through creating and exchanging products and value with others.
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