According to one of the most heartening explanations, the decline in crime came about mainly because young people in poor neighborhoods developed a revulsion against drug dealing and the spread of AIDS and organized successfully to avoid these hazards.

• 根据其中最令人感到鼓舞的一个解释是，犯罪率开始下滑，主要是因为贫民区的年轻人开始对毒品与爱滋病传染产生反感，并成功的避开了这些危险。