一种被广泛采用的失败处理机制是异常处理，包括捕获并记录错误，以及在失败发生时选择一个备选执行路径。

A widely adopted mechanism for dealing with failures is exception handling, encompassing both capturing and logging the error and choosing an alternative execution path in the case of failures.

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一个需要动态流程选择的出色场景示例是，根据遇到的错误类型调用不同的异常处理流程。

A good example of a scenario where dynamic process selection is justified is the case where different exception handling processes may be invoked depending on the type of error that is encountered.

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除了少数例外情况，在可写通道或异常通道中选择这两个参数是错误的。

With few exceptions, it's a mistake to select on writeable or exceptional channels.

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