Dasgupta's game theory suggested that even a successful, co-operative society is always at risk of breaking down.

达斯古普塔的博弈论表明，即使是一个成功的合作社会也往往存在崩溃的可能性。

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A few weeks's community service can make self-willed teenagers into co-operative and caring members of society.

几个星期的社区服务能使不合群的年轻人变得能与他人友好合作并能关心他人的社会成员。

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The Channel Islands Co-operative Society has announced a boost in sales for the first half of 2011.

BBC: Sales boost for Channel Islands Co-operative Society

The Channel Islands Co-Operative society wants to build a new food store, offices and an artists' studio on the site of its existing store.

BBC: Co-op store plans are too big: Jersey planning department