By the 1920s, with the advent of the public dance movement, people were gathering in large groups to listen to steel guitar music.

到了20世纪20年代，随着大众舞蹈运动的出现，人们聚在一起听钢棒吉他乐。

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In addition, users will now be able to easily filter their streams by specific friends, the type of relationship they have with people (groups), or by the application that generated the update.

此外，用户也可以轻松地过滤他们的信息流，通过指定好友，依据他们与其他人的关系类型(群组)，或凭借该生成“更新”的应用程序来实现。

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It has long been held that decisions made collectively by large groups of people are more likely to turn out to be accurate than decisions made by individuals.

一直以来，人们都认为由若干人员共同做出的集体决策一般比个人决策更为准确合理。

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He says his team's research is influenced by questions in evolutionary biology about why people and groups use costly punishment.

VOA: special.2009.03.03

Human rights groups and witnesses say at least one hundred fifty-seven people were killed, a number disputed by the military government.

VOA: special.2009.10.24

It was legal to separate groups of people by race.

VOA: special.2010.03.28

So we funded groups created by the people directly affected: childcare groups, women's centres, police monitoring groups like those that worked so closely with Neville and Doreen Lawrence, a lesbian and gay help line, groups representing the disabled.

BBC: Wainwright: Livingstone led the way

So they end up pooling groups of people by such basic factors as age, occupation and postcode, which means that some low-risk customers are lumped in with risky ones and subsidise their cover.

ECONOMIST: Loyalty cards and insurance

This is followed by new groups of people who seem to be developing the same habit.

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