Even in environments not fully leveraging XML as a central information model, it is important to design good XML for the sake of readability and maintainability.
即使在没有完全利用XML作为中心信息模型的环境中，为了可读性和可维护性而设计良好的XML也是很重要的。
Making good use of whitespace is key to improving readability.
能更好的利用这些空间是提高你网站可读性的关键。
It's a good trick to know for readability.
它是一个提高可读性的小技巧。
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