比如，可使用清单14中的代码来实现和清单13类似的效果，这一次在迭代全部CD的过程中使用了xpath布尔表达式。

For instance, you could use the code in Listing 14 to achieve an effect similar to that shown in Listing 13; this time, all CDs are iterated over, and a Boolean XPath expression is applied.

youdao

比如，可使用清单14中的代码来实现和清单13类似的效果，这一次在迭代全部CD的过程中使用了xpath布尔表达式。

For instance, you could use the code in Listing 14 to achieve an effect similar to that shown in Listing 13; this time, all CDs are iterated over, and a Boolean XPath expression is applied.

youdao