collaboration
They worked in close collaboration with the author, and their respect for her vision is clear.
The survey was conducted in close collaboration with the local research groups.
He believes that doctors and nurse practitioners must work in close collaboration.
The two playwrights worked in close collaboration with each other on the script.两位剧作家密切合作编写这个剧本。

SMART Vocabulary: related words and phrases

Acting, being or existing together
accompanying
allied
along
alongside
among
cooperatively
distributively
double act
en bloc
en masse
jointly
misery
misery loves companyidiom
non-compatible
non-conflicting
tow
twin
two-way
unison
unite