Elements are used to encapsulate pieces of data, and attributes are generally used to provide accompanying information about an element, rather than to encapsulate raw data itself.

• 元素用于封装数据,而属性通常用于提供有关元素的伴随信息,而不是封装原始数据本身。实际使用元素还是属性取决于应用程序的需要。