[, ]the act of working with another person or group of people to create or produce sth合作；协作◆Four firms have been involved in technical collaboration on this project.四家公司已参与这个项目的技术合作。◆Many of their products are designed in collaboration with customers.他们的许多产品都是和用户合作设计的。◆close collaboration between schools and industry学校与工业的密切合作 [] a piece of work produced by two or more people or groups of people working together合作成果