A collaborative piece of work is done by two or more people or groups working together.
a collaborative research project.
一个合作研究项目。
This work is a collaborative effort with other health care workers, including paediatricians, physiotherapists, and nurses.
这是与包括儿科医生、理疗师及护士等在内的其它医护工作者共同合作的一个项目。