The result is an XML sequence of two elements (customerinfo and phone) which is not a well-formed document.
结果是一个包含两个元素（customerinfo和phone）的XML序列，这不是良构的文档。
Therefore, the expression /customerinfo/phone represents a sequence of two elements.
因此，表达式 /customerinfo/phone代表包含两个元素的序列。
Textonym - a word or name generated by a sequence of numerals keyed into a phone keypad.
Textonym-一个词或一个为手机键盘键控数字序列生成的名称。
Textonym - a word or name generated by a sequence of numerals keyed into a phone keypad.
Textonym-一个词或一个为手机键盘键控数字序列生成的名称。
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