The book is the product of a collaboration between two writers. = The book is a collaboration between two writers.这本书是两位作者合作完成的。

an artistic collaboration艺术合作

The writers worked in collaboration to produce the book.这些作者合作出版了那本书。

He worked in close collaboration with French scientists.他与法国科学家密切合作。

He was accused of collaboration with the enemy.他被指控通敌。