"在摄政公园的社区卫生中心工作的马丁，格雷格和罗克珊，通过自己的经历说服老邻居戒掉毒瘾，保持生活的稳定。 　　《阶梯》这部影片横跨五年拍摄而成，通过客观的研究和细致的描述来对抗刻板陈旧的观念。" 　　Martin, Greg and Roxanne, working in the community health center of Regent Park, persuades the old neighborhood to get rid of their addiction through their experience as a drug addict, and maintain their stability. Ladder, a five-year, non-judgmental research study, deals with stereo...