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1·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。

2·The design has an exciting, practical purpose.

这个设计有令人兴奋、实用的目的。

3·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。

4·It might be that folktales, they say, had no moral or even practical purpose.

白雪公主可能是不带任何道德指向或实际目的的民间传说了。

5·While these feats sound entertaining, the technology does have a practical purpose.

尽管这些成果听起来很具有娱乐性，但这项技术其实有它的科研目的。

6·Both the base 1.2 schema and the 1.3 version are useless for any practical purpose.

不管是1.2版本模式还是1.3版本的扩展模式在实践中都不太实用。

7·Business writing is usually included in the category of writing for practical purpose.

商务写作通常包括在应用文写作的范畴中。

8·And although the annual show is beautiful to behold, it also serves a very practical purpose.

尽管每年所看到的秋天都是同样的美丽，它们都是为一个实际目的。

9·Shoes serve a practical purpose, and also serve as nonverbal cues with symbolic messages.

鞋子有其实际用途，但也作为非言语信号传递着象征性信息。

10·She gave me the impression of having more teeth than were necessary for any practical purpose.

她留给我的印象无实际用处的牙齿长得太多。