问一个问题，像这种行业门户类网站，子域名分站，出站链接较多（并且不可去除这些链接）；
<p><br></p><p><a href="http://xingtai.auto.qq.com/" target="_blank" data-url="xingtai.auto.qq.com" class="show-5118-data" rel="nofollow">http://xingtai.auto.qq.com/</a></p>
<p><br></p><p><a href="http://xingtai.auto.qq.com/" target="_blank" data-url="xingtai.auto.qq.com" class="show-5118-data" rel="nofollow">http://xingtai.auto.qq.com/</a></p>
