The key difference between mere sketches and a paper prototype is interactivity. A paper prototype is brought to life by a design team member who simulates what the computer would do in response to the user's “clicks” and “keystrokes”, by rearranging pieces, writing custom responses, and occasionally announcing some effects verbally that are too hard to show on paper. Because a paper prototype is actually interactive, you can actually user-test it: give users a task to do and watch how they do it.
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Try first to find a solution based on configuration, without writing custom code.
首先尝试找出一种基于配置、而不需要编写自定义代码的解决方案。
Writing custom annotators can be a useful way to solve a specific business problem.
编写定制的注释器是解决特定业务问题的有效方法。
You should always specify the precision of floating point variables when writing custom shaders.
编写自定义着色器时，您应该始终指定浮点变量的精度。
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