In the begining, we find that there is a content list in the home page of OSC. But we lose sight of BBS. For BBS, there are some forums in its home page and every forum contains a list. So, we have to reconsider the model of site.
We can treat every site as something like BBS, but what is interesting is that they usually have one forum. So it will be compatible to deal with sites like BBS and common site.
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