因为长期以来人们认为很少有人会看冗长的电视政治信息，所以大多数电视政治广告，像商业广告一样，都采用短信的形式。
Because it was long thought that few people would watch lengthy televised political messages, most televised political advertisements, like commercial advertisements, took the form of short messages.
社交媒体就像电视上播放的商业广告，你可以轻松而免费地把你的信息传达给成百上千乃至数百万人。
Social media is like commercials on television for a business; you can get your info on the streams of hundreds, thousands, and even millions of people easily and for free.
商业广告不仅应告知人们有关商品的信息，更应告知商品本身对人们追求美好生活的意义。
Commercial advertisements should not only inform people of relevant commodities, but also convey the significance of such commodities in the human pursuit of happiness.
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