Primary groups are fundamental to us and to society.

初级群体对于我们和社会起基础性作用。

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First, primary groups are critical to the socialization process.

第一，初级群体对社会化进程至关重要。

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A number of conditions enhance the likelihood that primary groups will arise.

一些条件提高了初级群体出现的可能性。

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"Because these groups see the federal government as the primary enemy, and the government today has a face that is black in the form of President Obama, that has really radicalized portions of the movement.

VOA: standard.2009.08.17

Dr Mike Dixon, chairman of the NHS Alliance, which represents primary care groups, said doctors should do more to make exercise schemes available to their patients.

BBC: Depressed 'denied exercise help'

The Transports are made up of five primary industry groups.

FORBES: Dissecting the Transports

He suggest the money should be used by primary care groups - GP-led health management bodies - to offer longer opening hours and specialist services at a community level rather than by an individual practice.

BBC: GPs to offer longer opening hours