这些设计指南包括了选项和文本菜单的区别，如何排列菜单项目，什么时候在屏幕上放置命令，还有其他一些菜单设计细节。
These guidelines describe the difference between Options and Context menus, how to arrange menu items, when to put commands on-screen, and other details about menu design.
然而，数字电视的真正吸引力，来自屏幕上的节目指南。
The real attraction of digital television, however, is the on-screen programme guide.
除改善其屏幕上的节目指南的形象之外，付费电视公司还在制造像iPhone和iPad的指南设备。
Besides improving the look of their on-screen programme guides, pay-TV firms are now building guides for devices like the iPhone and the iPad.
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