If your traceroute results in failure, the output can lead you in the right direction-namely, which server or network equipment may be blocking your access.
Panda erred in the opposite direction, blocking hardly any valid mail but letting more than half the undeniable spam into the Inbox.
熊猫却在相反方向在犯错，几乎没阻挡有用的邮件，但却让超出一半的明显的垃圾邮件进入收件箱。
3
The Minneapolis software engineer says the techniques didn't go deep enough to help him see how his emotions were blocking action and shift them in a more positive direction.