安卓一个非常有效的特性就是隐藏菜单结构。
A very useful feature of Android is the hidden menu structure.
更新应用程序可能会改变程序调用和菜单结构。
Updating applications can cause changes in program calls and menu structures.
比如，无序列表表示的菜单结构通常包括漂亮的图片。
For example, the menu structures described as unordered lists usually consist of good-looking images.
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