cooperation
US /koʊˌɑː.pəˈreɪ.ʃən/
UK /koʊˌɑː.pəˈreɪ.ʃən/

1.
合作, 协作
the action or process of working together to achieve the same goal
:
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International cooperation is essential for solving global issues.
国际合作对于解决全球问题至关重要。
•
The project succeeded due to the excellent cooperation among team members.
该项目因团队成员之间的出色合作而成功。