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我对 R 有点陌生,所以这个问题可能看起来很基本。我想根据 R 中的多个主题标签生成列表。我设计了一个应用程序,当我把它放在搜索框中时,它会为#AT&T 或#Verizon 挖掘推文。任何关于我如何挖掘推文的建议其中包含这两个主题标签(类似于这条推文“xyxyxyxxyxyxy #AT&T xyxyxyx #Verizon xyxy”)。