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。

youdao

The design has an exciting, practical purpose.

这个设计有令人兴奋、实用的目的。

youdao

Building fast helicopters has a practical purpose beyond this transatlantic race.

除了参加这次跨大西洋的竞赛外，建造高速直升机还有着现实的意义。

youdao

The purposeful is the purpose of the object in practical terms.

目的性“是从实际应用角度来说的。

耶鲁公开课 - 文学理论导论课程节选

Content is a function -or let me say practical language, the purpose, in other words, of communicating facts or of communicating at all, which we associate with practical language -is a function of poetic language.

他们认为，内容即是功能,实用语言的目的，就是交流，我们总是把交流和实用语言联系,但其实它也是诗歌语言的功能。

耶鲁公开课 - 文学理论导论课程节选

"I know they're trying to get rid of sites with no practical purpose, " he says.

FORBES: Internet

Water features have a practical purpose as well: They mask unpleasant sounds like traffic or noisy neighbors.

WSJ: High Water Marks

In addition to being a facilitator of friendships, Facebook also serves a practical purpose for many incoming college freshmen.

CNN: Facebook eases freshmen fears, fosters friendship