我创建的 xml 有问题吗?有什么办法可以优化或改进吗?
<?xml version="1.0" encoding="UTF-8"?>
<countries>
<country>
<countryname>Philippines</countryname>
<subsidiaries>
<subsidiary>
<name>Sartorius Philippines Inc.</name>
<address>Unit 20-A The World Centre Building, 330 Senator Gil Puyat Avenue Makati 1209 City Philippines, Philippines</address>
<phone>+63.2.8640.929</phone>
<fax>+63.28640.932</fax>
<email>enquiry.philippines@sartorius.com</email>
<website>http://www.sartorius-mechatronics.com.ph</website>
</subsidiary>
</subsidiaries>
</country>
<country>
<countryname>Denmark</countryname>
<subsidiaries>
<subsidiary>
<name>Sartorius Stedim Nordic A|S</name>
<address>stedim Hoerskaetten 6d 2630 Taastrup, Denmark</address>
<phone>+45.7023.4400</phone>
<fax>+45.4630.4030</fax>
<email>ne.customersupport@sartorius.com</email>
<website></website>
</subsidiary>
<subsidiary>
<name>Sartorius Nordic A|S</name>
<address>Hoerskaetten 6D 2630 Taastrup, Denmark</address>
<phone>+45.7023.4400</phone>
<fax>+45.4630.4030</fax>
<email>ne.customersupport@sartorius.com</email>
<website></website>
</subsidiary>
</subsidiaries>
</country>
</countries>
我只是创建 xml 的新手,我不知道我的 xml 是否好,我需要你的建议。谢谢!