挖掘虚拟按钮带来了像食谱菜单选项，购物清单等等。
Tapping the virtual button brings up menu options like recipes, shopping lists and more.
安装在便携式设备上的触摸屏有特殊的吸引力，因为虚拟按钮与其它控制程序只有在需要时才显示。
Touch screens have particular appeal in portable devices because virtual buttons and other controls appear on screen only when required.
理想状态下，一天工作结束后，测试人员将会跑遍整个应用程序，点击虚拟按钮确保正确的窗口和图标将会弹出。
Ideally, after a day's work, testers would run through the entire application, clicking virtual buttons and making sure that the right Windows or ICONS still pop up.
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