The pull-down menus of the two buttons allow a user to dynamically configure the content of the headers and, consequently, the table.
这两个按钮的下拉菜单允许用户动态地配置标题栏的内容，并且表的内容将随之而变。
It's easy to pull up an app, push a few buttons, and have a taxi at your doorstep within minutes, or press a few laptop keys and find the best couch to crash on for a few days.
打开一个应用，点击几下按钮，几分钟后就会有一辆出租车停在家门口，一切就是这么简单。再或者，敲几下键盘，就可以找到一个最棒的沙发，舒舒服服地躺上几天。
The facilities for the operator vary from push-buttons and/or touch-screens to pull-down menus activated by roller balls and 'enable' buttons.
操作人员的应用 可以通过从按钮 ，触摸屏 ，下拉菜单 及滚动球或使能”Enable”按钮等等 来实现。
The facilities for the operator vary from push-buttons and/or touch-screens to pull-down menus activated by roller balls and 'enable' buttons.
操作人员的应用 可以通过从按钮 ，触摸屏 ，下拉菜单 及滚动球或使能”Enable”按钮等等 来实现。
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