It would be a tragedy if anything went wrong.
如果出了什么事就是一个悲剧。
A simple Exception tells you if anything went wrong and even gives you some basic information on how to fix the problem.
简单的Exception告诉您遇到了问题，甚至还提供了一些解决问题的基本信息。
If the req.status is anything but 200, something went wrong.
如果req . status是200以外的值，则将出错。
If the req.status is anything but 200, something went wrong.
如果req . status是200以外的值，则将出错。
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