保护栏位是为了帮助防止外部程式码变更它的值，但可让衍生类别存取。
The field is protected to help prevent outside code from changing its value while allowing derived classes to access it.
修改下列范例中标示的XML 程式码，其方式是将葡萄牙文的「标题」一字加入到括号中的栏位标签。
Modify the XML, shown as highlighted in the following example, by adding the Portuguese word for "Title" to the field label in parentheses.
修改下列范例中标示的XML 程式码，其方式是将葡萄牙文的「标题」一字加入到括号中的栏位标签。
Modify the XML, shown as highlighted in the following example, by adding the Portuguese word for "Title" to the field label in parentheses.
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