For many dogs, a group class is fine, but some dogs train better in a one-on-one environment.

许多狗狗可以接受团体教学，但也有些狗要在一对一的环境下才能达到较好的训练效果。

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Julia Silverman and Jessica Matthews developed the sOccket as part of a group project for an engineering class at Harvard University.

Julia Silverman 和 Jessica Matthews 开发了 sOccket，这是哈佛大学工程课小组项目的一部分。

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On the way home we shared our first class compartment with a group of businessmen.

在回家的路上我们和一群商人共同乘坐头等车厢。

《柯林斯英汉双解大词典》

Touch of Class is a student singing group at Chantilly High School in Fairfax County,Virginia.

VOA: special.2011.04.01

They don't seem to be an ethnic group so much as a marginalized social class, but some have suggested a connection with the word "Hebrew."

他们并不像是少数民族,而更像是边缘化的社会阶级，但有些人指出它与希伯来这个词有关联“

耶鲁公开课 - 旧约导论课程节选

so it's a 250-person class, but we have a group of 50 that we go around with quite a bit.

这是一门250人的课，但是我们组成50人一组一起学习。

跟校友们的关系 - SpeakingMax英语口语达人

If only two people sign up for a group class, the class will be canceled 12 hours beforehand.

WSJ: The Digital Solution: Working Out With a Trainer and Friends via Webcam

Last month a group filed a class-action lawsuit against PayPal alleging, among other things, that the block on Checkout is illegal. (PayPal says it will vigorously fight the suit.) In another sign that PayPal has Google on its mind, it recently launched a payments and search advertising partnership with Yahoo!

ECONOMIST: Online payments

Even if our success is as part of a team effort, we are each unique and can never be defined by a label bestowed upon us by others or by being forced into a group or class.

FORBES: "Regaining American Exceptionalism" -- Memories of Reagan's Shining City