使用结构化和非结构化错误处理，可以规划潜在的错误，防止它们影响应用程序。
You can use structured and unstructured error handling to plan for potential errors, preventing them from interfering with the application.
这意味着很容易实现结构化的程序代码，而且它使得错误处理更集中。
This means that it is easier to structure the program code, and it makes dealing with errors more centralized.
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