Creating pages (mini sites)

Hi,
Tell me, please, is there a plugin to create pages (mini sites) on the sub-domains to choose their style of design, create menus and chapters.

1. 請告訴我，有一個插件來創建頁面（微型站點）子域，選擇自己的設計風格，創建菜單和章節。

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I'm so sorry, I don't have any idea about your question...