For example, the use of dimensionality to give the feel of a manual affordance is perhaps the most effective way to distinguish controls from data or background elements (see Chapter 13 for more about affordance).

• 例如，可以运用尺寸的大小来给人一种手工启示的感觉（参见第13章），可以把控件与数据或者背景元素区分开来，这就是一种不错的方法。