每个 div 最初被隐藏，直到用户单击对应的 li 元素（显示为选项卡）。

Each div is hidden until a user clicks the corresponding li element, which gets styled as a tab.

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帝王谷隐藏在尼罗河西边的沙漠峡谷之中，里面埋藏着图坦卡蒙和其皇室亲属的诸多墓穴。

Hidden in the desert canyons west of the Nile, the Valley of the Kings holds the tombs of King Tut and his royal relatives.

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单击链接时，则隐藏一个选项卡，显示另外一个选项卡。

Clicking the links hides one card and shows another.

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