What's missing from an unadorned, virtual manual affordance is any idea of what function it performs.
一个未加修饰的虚拟手动启示缺少其所执行的功能信息。
For clarity, however, we'll call this instinctive understanding of how objects are manipulated with our hands manual affordance.
但是为了清晰起见，我们将这种如何用手操作对象的本能理解称为“手动启示”。
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