The functional programming approach is easy to understand, but can be difficult to apply if you are used to the more procedural and state-focused imperative languages.

函数编程方式很容易理解，但是如果您习惯了过程序和关注状态的命令式语言，可能不太容易适应它。

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This approach sets it apart from other document stores, which can often be difficult to get to grips with for SQL developers.

这种方法使它有别于其他文档存储，对于SQL开发人员来说，这一点很难掌握。

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It's not difficult to envision that this same approach can be extended to other situations, such as handling common responses for online chat Help Desks.

不难设想，同样的方法可扩展到其他场景中，如用于在线对话Help Desk处理某些常用反馈信息。

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The line a company draws can be difficult to approach.

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And I think it would be very difficult to even develop a potential approach to mind uploading without answering these questions.

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The water industry has traditionally been conservative because its No. 1 goal is to avoid sickening people, so it can be difficult for a company to convince a municipality to risk testing a new approach.

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