Xu Haoliang (2nd R), UN Assistant Secretary-General and UNDP Director for Asia and the Pacific, speaks during the Symposium on 2030 Agenda for Sustainable Development "Leave No One Behind" in Jakarta, Indonesia, on Sept. 19, 2016. Members of the Association of Southeast Asian Nations (ASEAN) and China have been boosting partnership in the course of implementing the 2030 sustainable development agenda in the region, officials said on Monday. (Xinhua/Du Yu)