所有容器(比如panel)必须拥有布局，而且必须指定布局中的行数和列数。

All containers (for example, a Panel) must have layouts and must specify the number of rows and columns in that layout.

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委托人希望拥有布局灵活且采光充足的空间用来工作和生活，因此事务所将外屋部分改造成住宅，以满足作家的需求。

The local studio transformed the outbuilding in Moseley to create the home for a writer who wanted a flexible space with plenty of light for living and working.

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CSS文件有时很庞大，并消耗过多带宽，尤其是在一个拥有众多页面布局的网站上。

Especially on site with many different page layouts, CSS files can become huge and use a lot of server bandwidth.

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