Unlike XML, the vCard format is flat file, which means that you cannot directly attach information to different elements.
不同于XML,vcard格式是扁平文本，就是说不能直接向各种元素增加信息。
Unlike XML, the vCard format is flat file, which means that you cannot directly attach information to different elements.
不同于XML,vcard格式是扁平文本，就是说不能直接向各种元素增加信息。
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