collaboration /kəˌlæbəˈreɪʃən/ n. 合作；协作

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例句/词组:

The government worked in close collaboration with teachers on the new curriculum.

政府和教师就新的课程进行了紧密协作。

英语解释：

the act of working with another person or group of people to create or produce sth 合作；协作