Still, even when he fails to find his subjects or their families at home, Chang manages to make the most of his presence by engaging the neighbors in conversation as a friend of the subject and asking them about the subject's recent behavior.
即使到訪不遇，張和全也不會一無所獲。他會以被觀護人的朋友身分，與附近鄰居閒聊，問問當事人的近況。像「阿清最近有沒有回家？」