(a) Undertake the comprehensive review and assessment of the implementation of Agenda 21 and the other results of the Conference on the basis of the results of national assessments and subregional and regional preparatory meetings, the documentation to be prepared by the Secretary-General in collaboration with the task managers, and other inputs from relevant international organizations, as well as on the basis of contributions from major groups;
(a) 根据各国的评估以及分区域和区域筹备会议的结果、秘书长与任务主管机构协作编写的文件和相关国际组织的其他投入，以及根据各主要群组的贡献，全面审查和评估《21世纪议程》和环发会议其他成果的执行情况；