These can be community discussion groups or of a more volunteer-oriented nature.

这些组织可以是社区讨论小组或有更多面向志愿者的性质。

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Much of the volunteer effort has involved individuals or small groups.

很多的救援行动的参与者是个人或者小型团体。

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Much of the volunteer effort has involved individuals or small groups.

很多的救援行动的参与者是个人或者小型团体。

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