太无语了！-_

dennis_zane

上国外一站点下载一本PDF文档，没想到：
We're sorry, but access is denied to that document.  
This might be because you are accessing this site from a machine in China. Because of a massive amount of robot traffic from Chinese machines, we've had to take the unfortunate step of blocking access from those IPs.
If you feel that access has been denied in error, please contact our support folks.

无言以对。