noun
cooperative relationship; partnership; alliance
Refers to a relationship or structure built on mutual cooperation, often used in business, political, or organizational contexts.
両社は長年にわたって協力関係を築いてきた。
The two companies have built a cooperative relationship over many years.
国際的な協力関係が問題解決には不可欠だ。
International cooperative ties are essential for solving the problem.