如果你想在软件中创建有效的直接操作习惯用法，必须注意用足够精细而丰富的图形细节来绘制数据、对象、控件和光标。
If you want to create effective direct-manipulation idioms in your software, you must take care to render data, objects, controls, and cursors with a certain amount of rich graphic detail.
你可以稍微调整这种习惯用法，具有创造力的软件设计师总是不断探索，将更多的功能填满总是太小的屏幕。
You can vary this idiom quite a bit, and creative software designers are doing just that in the never-ending bid to cram more functions onto screens that are always too small.
当用户对习惯用法的喜好存在分歧时，软件设计时就必须提供两种习惯用法。
When the user population splits on preferred idioms, the software designers must offer both idioms.
当用户对习惯用法的喜好存在分歧时，软件设计时就必须提供两种习惯用法。
When the user population splits on preferred idioms, the software designers must offer both idioms.
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