There have been a lot of research work in distributed services, distributed storage and search, P2P trust model, etc. , while distributed trading pattern is scarcely studied.

已有研究工作主要集中在分布式服务、分布式存储与搜索、P2P（对等计算）信任模型等方面，但对分布式交易模式的研究还比较缺乏；

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There have been a lot of research work in distributed services, distributed storage and search, P2P trust model, etc. , while distributed trading pattern is scarcely studied.

已有研究工作主要集中在分布式服务、分布式存储与搜索、P2P（对等计算）信任模型等方面，但对分布式交易模式的研究还比较缺乏；

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