What needs to be done also has been well known since 20 years ago, when a nonpartisan report by a cross-party group of big-city mayors unanimously agreed on measures to be taken: efficient repression, highly developed social prevention, a permanent local police presence, and a renewed effort at reintegrating delinquents.
同样，早在20年前，人们就非常清楚要采取哪些措施。当时，各大城市市长组成的跨党派团体在报告中就需要采取的措施达成一致：那就是有效实施镇压、积极开展社会防治、长期部署地方警力和重新接纳违法人员。