In general, you should not create nodes with DOM Level 1 methods if you want to use XML Namespaces and perform any operation on your document that requires XML Namespaces support.
一般来说，如果希望使用XML命名空间，并且要对文档执行任何需要XML命名空间支持的操作，那么就不应该用DOM Level 1方法创建节点。
Should the response to problem performances be punishment, or should managers attempt to help and support workers to perform better?
对于有问题的绩效应该惩罚，还是应该由管理者试图去帮助或支持员工做得更好？
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