价值被表示为价格，并通过在其生存周期中流向软件的生产者和消费者的收益来衡量。
Value is expressed as a price and is measured by the revenues that flow to the producer and consumers of the software over its lifecycle.
软件产品的开发者和生产者也可直接经营销售其软件产品。
Developers and producers may also directly engage in the sale of their software products.
不论软件的生产者还是软件的使用者，均生存在竞争的环境中。
No matter producer or user of the software survive in the competitive environment.
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