把代码编写成小的构建块会提高代码的可重用性，因此这是您应该遵守的主要设计原则之一。

Writing code as small building blocks makes the code more reusable, so this should be one of your main design criteria.

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相反，要把服务设计成组合服务和流程中的规范元素——可重用性。

Rather design the service to be a textbook constituent in composite services and processes - reusability.

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要记住重用和可重用性的区别；避免针对未来才使用（重用）服务的广泛的潜在消费者进行投机性契约设计。

Note the distinction between reuse and reusability; don’t try to do speculative contract design for a broad range of potential future consumers that may (re)use the service.

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