我们在博客上的文章能包含粗体字、斜体字、超链接、照片、视频，而且无需再多的其他文字格式了。
We do blog posts that have bold and italics and links and photos and videos and not much more in terms of formatting text.
标题的格式通常显示为粗体，大号字，以便和其它文字区别。
Headings are generally displayed in boldface so that they stand out from the text.
只是修改了某些属性，而不是行为。例如文字的粗体和下划线。
They change only the attributes of something, not its behavior. The boldface and underline modes of text entry are examples.
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