随着越来越多的使用属性选择器，最终将与处理节点一样经常地使用值(来自属性)。

As you start to use attribute selectors more and more, you'll end up working with values (from attributes) as much as you work with nodes.

youdao

最终的选择器应该出现，如图12 所示。

The final selector should appear as it does in Figure 12.

youdao

最终的选择器应该出现，如图12 所示。

The final selector should appear as it does in Figure 12.

youdao