Naturally, the sex trade has never been able to escape being tied up with local gangs, and everything from control over brothels to soliciting customers to profits from sales of tobacco, alcohol, and narcotics has been inextricably tied up with the contest for power among rival mafias in the streets and neighborhoods.
而情色行業又常與地方幫派脫不了關係，從「圍事」、拉客，到煙酒毒等販賣利益，都與角頭勢力援引勾搭，盤根錯結，迄今難以打破。