... 段异常情况 segment exception condition 其它异常情况 Other abnormalities 异常情况控制信号 exceptioncontrolsignals ...
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聪明的办法是先弄清楚可能存在的风险,以及如何最好的保护你自己免受感染和其它异常情况的发生。
It's a good idea to find out what risks are involved and how best to protect yourself from infections and other complications.
So the exceptions are useful when you want to have the ability to say, I expect in general this kind of behavior, but I do know there are some other things that might happen and here's what I'd like to do in each one of those cases. But I do want to make sure that I don't let a value that I'm not expecting pass through.
所以当你希望有能力说,我希望一般是这样的行为,异常是很有用的,但是我明白还有一些其它的情况可能发生,我希望对每一种情况都这么做,但是我跟希望能保证,没有让一个预期之外的情况漏过去。
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