And you need to figure out: which media you should advertise through?

而且你要弄清楚：你应该通过哪种媒介来打广告？

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Such media as radio, television and computer have made it possible for advertisers to attract millions of people's attention.

像广播、电视和电脑等媒介使广告商能够吸引数百万人的注意力。

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After determining the target audience for a product or service, advertising agencies must select the appropriate media for the advertisement.

在确定产品或服务的目标受众后，广告公司必须为广告选择合适的媒介。

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So I was reading Media, and I have to write an essay about it. So that's what I was doing.

我在读与媒介有关的内容，需要写一篇有关的论文。那是我之前在做的。

沟通很重要 - SpeakingMax英语口语达人

But no matter, I spent a year in graduate school doing forensic research and working for the local Middlesex DA's office where I learned how to make a so-called forensic image of a digital camera's media card.

不过没关系，我在研究生院花了一年做法庭研究,并在那儿的Middlesex，DA的办公室工作,在那里,我学会了用数码相机的媒介卡,制作鉴识影像。

哈佛公开课 - 计算机科学课程节选