Although the formatting of the highlight styles might seem convenient, you might find you need to change the formatting later.
虽然突出显示样式的格式化好象很方便，但后来您将可能会发现需要更改这种格式化。
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And by separating the content from the formatting using XML and Extensible stylesheet Language (XSL), I can make wholesale changes to the document's look and feel with a simple change to a stylesheet.