对于常见的设计元素，例如页首、页脚和导航栏等，这是一个非常好的方法。

This is an excellent way to handle common design elements such as headers, footers, and navigation panes.

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因为在我们的Web站点上页眉、主体、边栏和页脚的位置是保持不变的，所以在这里定义这些结构。

Since the location of the header, body, sidebar, and footer remain the same in our Web site, these structures are defined here.

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侧栏、页头、页脚、菜单和公共文件都在streamlined目录中。

The sidebar, headers, footers, menu, and common files are in the streamlined directory.

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