摘要：
这篇Blog将要讨论，在CSS的className中使用连字符“-”还是使用下划线“_”作为分隔符更适合？在切入主题之前，先看看Google在Webmaster Tools中URL structure章节中所说的一段话：Consider using punctuation in your URLs. The URL http://www.example.com/green-dress.html is much more useful to us than http://www.example.com/greendress.html. We recommend that you use hyph 阅读全文