Disappearance of gratitude consciousness is a serious problem existing in the development of urban teenagers' vulnerable groups. 摘要感恩意识缺失是城镇青少年弱势群体发展过程中存在的一个比较严重的问题。
The teenagers in the vulnerable position are easily to have various unhealthy mentality and temper, which urges them to lose their gratitude consciousness. 处于弱势境地的青少年极易产生各种不良的心理和情绪，致使他们感恩意识的缺失。
