30. Encourages the Secretary-General to extend participation and improve the level of collaboration, coordination and information-sharing among the organizations of the United Nations system with respect to procurement activities in order to achieve economies of scale and eliminate duplication of work;
30. 鼓励秘书长扩大联合国系统各组织对采购活动的参与，并提高其协作、协调和信息共享水平，以实现规模效益并消除重复工作；