Why are there two 'next page' buttons, for example, and why is there a 'Home' button and a 'Menu' button?

比如为什么有两个“下一页”按钮，为什么又有“Home”按钮又有“菜单”按钮？

youdao

Why are there two 'next page' buttons, for example, and why is there a 'Home' button and a 'Menu' button?

比如为什么有两个“下一页”按钮，为什么又有“Home”按钮又有“菜单”按钮？

youdao