User-agent: * 
Disallow: /bbs/
Disallow: /bk_blog/
Disallow: /bs_xschina/
Disallow: /blog/
Disallow: /cert/
Disallow: /css/
Disallow: /images/
Disallow: /js/
Disallow: /mark/
Disallow: /master/
Disallow: /new/
Disallow: /update/