As an aid in system understanding, we can create a hypothetical architecture to potentially be discovered in the code.

作为对系统了解的辅助，我们可以创建可能在代码中发现的假设的架构。

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Second, the use cases help us build a hypothetical architecture of the legacy system.

第二，用例帮助我们构建遗留系统的假设架构。

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The hypothetical online purchasing system also provides a good example for data integrity.

虚构的在线购物系统还提供了很好的数据完整性的例子。

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The solar-energy system for our hypothetical home in Brooklyn paid for itself in just five years, thanks in part to large local incentives.

WSJ: The Economics of Solar Power for Your Home