For each UI gesture defined in the specification, create a line in your unit test.

对于规范中定义的各个UI动作，在单元测试中创建一行说明。

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There's a fine line between specification and realization.

在规范和实现之间有一道明显的鸿沟。

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There's a fine line between specification and realization.

在规范和实现之间有一道明显的鸿沟。

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