Using a logger hierarchy it is possible to control which log statements are output at arbitrarily fine granularity but also great ease.

使用一个日志层次对象，它有可能控制日志声明的输出在任意的好的粒度，而且这样做是很容易的。

youdao

Using a logger hierarchy it is possible to control which log statements are output at arbitrarily fine granularity but also great ease.

使用一个日志层次对象，它有可能控制日志声明的输出在任意的好的粒度，而且这样做是很容易的。

youdao