Declaring your UI layout in XML rather than runtime code is useful for several reasons, but it's especially important so you can create different layouts for different screen sizes.

在XML中声明你的UI布局，而非运行时刻的代码中，在一些时候是有用的，尤其是你可以为不同的屏幕大小创建不同的布局。

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To make the execs especially honest, the law requires them to sign statements declaring their rectitude.

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Yet though his predictions may be dubious, his analysis is worth reading and pondering, especially by those who before the euro crisis were fond of declaring that Europe was showing the world a way to a better future.

ECONOMIST: The future of Europe: A declinist��s case | The