If you make your top-level exception too specific you'll end up having to restructure your hierarchy later to fit in something more generic.

如果您将顶级异常搞得太具体，那么其结果是您今后将不得不重新构造层次结构，以适应某些较通用的情况。

youdao

The answer is to provide a more useful type of exception that also contains a lower-level exception. Listing 1 shows a simple ApplicationException that does just this

答案是提供一类更有用的异常，它还包含低级异常。

youdao

So, the Lakers will have to use their mid-level exception this summer, and wisely.

所以，湖人将不得不在这个夏天好好地利用他们的中产。

youdao

So it passes it back, past this exception, up to this level, which gets to that exception.

所以它过去了,把异常传到能够接受它的上层。

麻省理工公开课 - 计算机科学及编程导论课程节选

When we're just interacting with idol, with the interactive editor or sorry, interactive environment if you like, that's what you expect. What's happening is that we're typing in something, an expression it doesn't know how to deal. It's raising the exception, but is this simply bubbling up at the top level saying you've got a problem.

就发生了其中之一是吧，当你在交互数据处理或者是在交互编辑器，抱歉，任何你喜欢的交互式环境中，你可能会遇到这些，如果你在输入什么内容,譬如一个它不知道怎么处理的表达式,它就会报一个异常,但这是否是简单的,把你遇到的问题冒到最顶层呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Unashamed, pro basketball will be served for the holidays again, hooked to Santa's sleigh with a gimpy Rudolph signed to a mid-level exception.

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But at university level, with the exception of Oxbridge, Oxford Brookes, London and Durham, British rowing is not up to much.

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The other euro countries trimmed their interest rates to the same level, with the exception of Italy, where the rate is now 3.5%.

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