Advertisers once primarily bought ads on specific Web pages-a car AD on a car site.
广告商以前主要在特定网页上购买广告——轿车网站上的轿车广告。
Advertisers once primarily bought ads on specific Web pages - a car AD on a car site.
过去，广告商的主要做法是购买特定网页的广告空间，如在汽车类网页植入汽车广告。
This approach uses UML very informally and in an ad hoc way, primarily in early analysis and design.
此方法非常不正式地，且以特别的方式使用UML，主要在早期的分析和设计中。
This approach uses UML very informally and in an ad hoc way, primarily in early analysis and design.
此方法非常不正式地，且以特别的方式使用UML，主要在早期的分析和设计中。
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