The inter-governmental work is done at five levels of meetings: The UNCTAD Conference – held every four years: The UNCTAD Trade and Development Board – the board manages the work of UNCTAD between two conferences and meets up to three times every year; Four UNCTAD Commissions and one Working Party – these meet more often than the board to take up policy, programme and budgetary issues; Expert Meetings – the commissions will convene expert meetings on selected topics to provide substantive and expert input for Commission policy discussions.
） 贸发会议的政府间工作通过下列五个级别的会议进行： 联合国贸易和发展大会 - 每四年召开一次： 贸发会议贸易和发展理事会 - 理事会在两次大会之间处理贸发会议的工作，每年最多举行三次会议; 四个贸发会议委员会和一个工作组 - 这些委员会会面比理事会更加频繁，主要负责处理政策，方案和预算问题; 专家会议 - 各委员会将就选定主题召开专家会议，为委员会政策讨论提供实质性专家意见。