Similarly, during project closure and evaluation, the project delivery personnel tie up loose ends and complete required paperwork - costly activities that do not generate revenue during the time period these activities are conducted.
同样地，在项目结束和评价期间，项目交付人员拾遗补缺，并完成所需要的文书工作——这些活动很费钱，但在活动过程中并不产生收入。