火狐瀏覽器書籤工具欄圖標_在Firefox中添加垂直書籤工具欄

火狐瀏覽器書籤工具欄圖標 Have you ever wanted a vertical bookmarks toolbar instead of a horizontal one? Then consider your wish granted with the Vertical Bookmarks Toolbar extension for Firefox. 您是否曾經想要過垂直書籤工具欄而不

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