Papers were also submitted by a number of experts, and a background note was prepared by the UNCTAD secretariat (all relevant documents, presentations and audio-files are available on UNCTAD's website).
一些专家还提交了文件，贸发会议秘书处编写了背景说明(所有相关文件、简报和音频文件都可以在贸发会议的网站 上查询)。