In his book The Tipping Point, Malcolm Gladwell argues that " social epidemics" are driven in large part by the actions of a tiny minority of special individuals, often called influential, who are unusually informed, persuasive, or well-connected. The idea is intuitively compelling, but it doesn't explain how ideas actually spread. The supposed importance of influentials derives from a plausible-sounding but largely untested theory called the "two-step flow of communication" : Information flows
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“经营单位”栏()。
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在Visual FoxPro中,使用LOCATE FOR<expL>命令按条件查找记录,当查找到满足条件的第1条记录后,如
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Gene therapy and gene-based drugs are two ways we could benefit from our growing mastery o
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听力原文:There are two primary ways that genes can be used to treat disease. The first is
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