But in some cases, one marketer's owned media become another marketer's paid media—for instance, when an e-commerce retailer sells ad space on its Web site.

但在某些情况下，某市场营销者的自有媒介会成为另一个营销者的付费媒介。比如，当某电子商务零售商出售其网站上的广告空间时。

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With the use cases identified, you next need to understand the frequency of each use case. In the e-commerce example, you might learn that.

标识了用例之后，接下来需要了解每个用例的频率。

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But in some cases, one marketer's owned media become another marketer's paid media - for instance, when an e-commerce retailer sells AD space on its Web site.

在某些情况下，某营销者的自有媒介会成为另一个营销者的付费媒介。

youdao

He said most people understood that the president was speaking narrowly about Commerce Clause cases and not broadly challenging the Supreme Court's authority.

WSJ: Attorney General Defends Obama's Court Critique

In some of these cases, Commerce approved the technology transfers involved despite strong opposition from the Defense Department.

CENTERFORSECURITYPOLICY: Center for Security Policy | Will Congress Restore US Technology Security? Export Controls�� Imminent Moment Of Truth

David Warr, Chairman of the Jersey Chamber of Commerce said that in some cases it was a good idea to pay a living wage.

BBC: Jersey politician wants a 'living wage' for island