Definition: when you work together with someone or do what they ask you Level: B2
这部纪录片是在Rails UK的合作下制作的。
This documentary was made with the ___cooperation of Rails UK.
两国之间的合作非常少。
There's very little ___cooperation between the two countries.
提前感谢您在这方面的合作。
Thank you in advance for your ___cooperation in this respect.
