The side events drew upon national, regional and international experiences as a means to allow for a deeper understanding of needs, past, present and future activities, lessons learned and best practices.
这些相关活动汲取国家、区域和国际经验并以此作为手段更深入地了解各种需要、以往、目前和今后的活动、应汲取的教训和最佳做法。