long-term cooperation
noun phraseUK /ˌlɒŋ tɜːm kəʊˌɒpəˈreɪʃn/
US /ˌlɔːŋ tɜːrm koʊˌɑːpəˈreɪʃn/
Working together with someone for a very long time.
The two companies built a long-term cooperation that lasted for over twenty years.
RELATED WORDS
OTHER MEANINGS
2. A formal agreement between organizations to work together over many years.
The universities signed a long-term cooperation agreement to share research.
3. A steady friendship where people keep helping each other for a long time.
Their long-term cooperation helped both neighbors fix their gardens every spring.
4. Working together on a big project that takes many years to finish.
Scientists from many countries showed long-term cooperation to protect the ocean.