In Yang's real or imagined journeying, we find the following kinds of oppositions: Strong v. weak: Yang vs. the Naughty Child, farmers, children. Good vs. evil: Yang vs. the Motorcycle Man, the media, special interest groups, the World Trade Organization. Caring vs. neglect: Yang vs. the Disturber, society at large.
從書中各段旅程中邂逅的真實或虛擬人物情景，我們可以簡單整理出以下幾組二元對立：強 vs. 弱→楊儒門 vs.「死囝仔」、農民、小孩善 vs. 惡→楊儒門 vs.「機車人