现在，我们需要做的是反复执行抽取过程，把结果合并到单个XML数据文件中。

All we need to do now is to repeat our extraction process over and over again, merging the results into a single XML data file.

youdao

现在，我们需要做的是反复执行抽取过程，把结果合并到单个XML数据文件中。

All we need to do now is to repeat our extraction process over and over again, merging the results into a single XML data file.

youdao