许多设计使用一种字体作为标题，一种字体作为主体，或许还有一种字体作为网站的导航或是其它特殊的文字，还可能是副标题。
Many designs use one font for headlines, one for body, and possibly one for navigation on websites or for any special text or subheadings.
网站地图只不过是需要在网站上建立起来的基本标题和副标题的一个列表，这个地图就像是一个蓝图一样来帮助建立网站。
The site map is nothing but a list of basic topics and subtopics that need to go up on the site, which serves as a blueprint to help design the site.
如果你打算使用副标题，那就应该考虑添加到网站的标题中。
If you are going to use a tagline, you could also consider adding it to the title tag of your website.
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