A joint action is any action that requires two or more participants.

联合动作是任何需要两个或多个参与者参与的动作。

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There are a large number of people as a party or parties to a joint action;

发回重审的；（三）共同诉讼中一方或者双方当事人人数众多的；

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There are a large number of people as a party or parties to a joint action;

发回重审的；（三）共同诉讼中一方或者双方当事人人数众多的；

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