Formal groups made up of interdependent individuals who are responsible for the attainment of a goal.

由一些为了实现一个目标而相互依赖的个体组合而成的正式群体。

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Therefore, the informal groups, just like formal groups are the main participants faced by the educators.

因此，非正式群体如同正式群体一样，都是教育工作者的面临的教育主体。

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Another alternative to conferences and formal events is local user groups and industry events.

除了会议和正式活动之外，另一种可供选择的是本地用户组和行业活动。

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The common European practice of giving pressure groups a formal status, and often a legal right to be consulted, minimises conflict by ensuring that powerful groups put their case to governments before laws are introduced.

ECONOMIST: POLITICS BRIEF

But these establishment salutes were accompanied by many less formal goodbyes from feminist groups.

ECONOMIST: Roma Mitchell

One example is in Greece, where Syriza has transformed itself from a loose alliance of left-wing groups into the formal main anti-austerity party.

ECONOMIST: Political parties