He always shopped at the co-op.

他总在合作社购物。

The co-op sells the art work at exhibitions.

合作社在展览会上出售艺术品。

Co-op advertising and promotion service.

共同广告宣传推广服务。

In short, the co-op fell into a recession.

总而言之，合作社陷入了衰退之中。

What's our return on the co-op dollars we gave you?

什么是我们对合作社美元，我们给你的回报？