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xiaoxUser can see six areas included Briefings and Guides, Background and Field Notes. When click into one of these sub-headings, you can see there are some case or news. Each title is obviously and the beginning of the papers, and user can see more information about it when click ‘Continue reading’. There are also tag under each case, and folders that the case sorted into. When click into the paper for more information, user also can download it as PDF. Besides, user can leave their information and comments under the reading. In addition, there are also latest, opinion, news and tag could be read on the right side area.