A secondary group entails two or more people who are involved in an impersonal relationship and have come together for a specific, practical purpose.

第二群体指的是两个或两个以上的人，他们处于一种非个人的关系中，因一个特定的、实际的目的走到一起。

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A primary group involves two or more people who enjoy a direct, intimate, cohesive relationship with one another.

一个基本群体包括两个或以上的人，彼此之间有直接、亲密、紧密的关系。

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A group of researchers reveal scores of studies that trace the relationship between health and interaction with others.

一组研究人员公布了大量追踪健康和与他人互动之间关系的研究。

youdao

The U.S.and the EU as a group have the largest trading relationship in the world.

VOA: standard.2009.11.03

The first statements, either one through four or one through five depending on your counting, but the first group of statements concern Israel's relationship with her suzerain, with God. She's to be exclusively faithful to God. She's not to bow down to any manmade image.

第一部分声明包括前四条还是前五条,取决于你的数法，它是有关,以色列人和她的宗主她的上帝之间的关系的，她应该,把上帝当作唯一的信仰，而不能敬拜任何人造的偶像。

耶鲁公开课 - 旧约导论课程节选

The Italian aid group Emergency has had a tense relationship with local authorities in violence-wracked Helmand province, due in part to its policy of treating all patients.

VOA: standard.2010.04.12

The relationship between this group and the ISI goes back to the Soviet war, when the Pakistanis channelled weapons to its patriarch, Jalaludin Haqqani, who commanded forces in the border area around Tora Bora.

BBC: World

He and Mike Greenberg both found it rather impossible for the players to embark upon a relationship with a group of owners who still have difficulty being cordial to each other even to this day.

FORBES: Will We Ever See MLB Compensation Tied to Team Equity?

"We have forged a fantastic relationship with The Cotswold Group since they became main sponsor almost 12 months ago, " said Worcestershire commercial director David Leatherdale.

BBC: Steve Rhodes enthused by Worcestershire's young players