You cannot perform a join or a union or any other set-operation and map to a target list.

您不能执行一个联接或合并或任何其他组合操作并映射到一个目标列表。

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After the presentation, display all the information sheets on the wall around the map. Draw Iines to join the sheets with the countries on the map.

在陈述之后，在墙上地图周围展示所有的信息表。在地图上画线把信息表和国家连接起来。

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Food gardeners can join a network and put their garden on a map on the extension service Web site.

粮食园艺家可以加入一个社交网络，将自己的花园上传到推广服务网站的地图上。

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Other suggestions include a capital-wide map of cycle paths, extending London's parks so they join together, zero-emission buses and play-streets linking schools.

ECONOMIST: Cars