In order to consider the role that the United Nations development system could play in the area of capacity-building, it may help to recall how the issue has been treated in the past and some of the lessons of that experience.
4. 为了审议联合国系统在能力建设领域可发挥的作用，回顾一下过去如何处理这个问题以及在这方面总结的一些经验，也许会有用。