All songs on the CD have a check box next to their title by default.
在CD上所有的曲目标题前都有一个复选框。
Instead of returning those elements, suppose you want something more identifiable; perhaps the title of each CD, stored in the title element.
这里不返回这些元素,我们假设需要某种更容易识别的内容,比如存储在title元素中的每张CD标题。
It selects the CD element within the root CDS element, which has a title attribute equal to August and Everything After, all in the cd.xml document.
它选择了根元素cds中的cd元素,该元素有一个title属性等于August and Everything After,这些内容都在cd . xml文档中。
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