Also, you would have to change your code if the logging system had been customized.
同样，如果日志系统被定制，您还将不得不修改您的代码。
It is an extremely powerful logging system.
这是一个非常强大的日志系统。
To illustrate the pattern, we're going to build a simple logging system.
为了阐述这种模式，我们来建立一个简单的日志系统。
We'll use this model for our logging system.
我们将应用这种模式到我们的日志系统。
We'll use this model for our logging system.
我们将应用这种模式到我们的日志系统。
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