Like mx: Panel, this is a container control and is used to layout controls.

像mx： Panel一样，这也是一个用于控制布局的容器控件。

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The mx:Panel control is a container control that is used for layout purposes.

Panel 控件是一个用于布局的容器控件。

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To fill the contents of the control's form or container control, click the center box.

若要填充控件的窗体或容器控件的内容，请单击中心框。

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What happens in many poor neighborhoods is that a small group takes control of the water kiosk or communal tank and sets its own tariffs for the water it sells by container.

VOA: standard.2010.08.04

The authorities say the smoke was caused by a fire in a container with pesticides at the city's port, but the situation is now under control.

BBC: Chinese pesticide cloud alarms Buenos Aires