[, ] (; ) a piece of work that must be completed, especially as part of a long project(尤指作为长期项目中一部分的)交付事项◆The development team have agreed on dates for all deliverables, including the final product.研发团队已经商定好全部交付事项的日期,其中包括最终产品的交付日期。◆tracking project deliverables with specific software用特殊软件跟踪项目交付事项➡milestone