The more complex your application's task, the more important it is to keep the user interface simple and focused.

程序中越是复杂的功能，简洁突出的用户接口就越是重要。确保您的设计反映了用户的心智模型。

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In a real application, you might not add such buttons if you want to keep the user interface simple and do both saving and restoring transparently and automatically.

在真实的应用程序中，如果希望保持用户界面简洁并能够透明、自动地保存和恢复表单，则不需要添加这些按钮。

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The first version of the user interface is very simple.

用户界面的第一个版本是非常简单的。

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The new user interface is simple and versatile.

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Live Guide, a graphic user interface that provides simple assistance to control settings to capture the perfect image, adjusts color and tone at the swipe of a finger.

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They take information that already exists in most schools, integrate it into a simple user interface, and graphically display trends in an easy-to-analyze manner.

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