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cooperation; collaboration; association; partnership; (acting in) unison
community; communal use; common possession; sharing
地域の農家が協同して市場を開いた。
Local farmers cooperated to open a market.
協同で事業を進めることで経費を減らせた。
By working together on the project we were able to cut costs.
両社は協同して新製品の開発に取り組む。
Both companies are collaborating on new product development.