此前在百度上打广告的无照医药公司就是购买的此类关键词广告。
It was through such keyword purchases that the unlicensed medical companies bought advertising on Baidu.
现在有很多公司从百度购买关键词。
这是一件好事，但是我认为它对百度将影响甚微。 据我所知，百度中并没有很多英语关键词的搜索。
Some analysts were skeptical over how much demand there would be for English search on Baidu.
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