<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
  <book id="1">
    <name>冰与火之歌</name>
    <author>乔治马丁</author>
    <year>2014</year>
    <price>89</price>
  </book>
  <book id="2">
    <name>安徒生童话</name>
    <year>2004</year>
    <price>77</price>
    <language>English</language>
  </book>
</bookstore>