It's no secret in the advanced-math community that diversity is a problem.

在高等数学界，多样性是个问题，这已经不是什么秘密了。

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Last year, Laura, Aaron and Vicky put their heads together for Technovation Kids(TK), an international competition that encourages teenagers to create an app that solves a community problem.

去年，劳拉、亚伦和维姬为“科技创新儿童”（Technovation Kids，TK）集思广益，这是一个鼓励青少年开发解决社区问题的应用软件的国际比赛。

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Don’t ask me why it took so long to tackle this problem within the free software community!

不要问我为什么自由软件社区解决这个问题花了那么长时间！

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Mister Quinn says efforts to combat the problem must also be increased at the community level.

VOA: special.2010.05.17

And obesity is a huge problem in the United States, especially in the African american community and other minority communities.

在美国,肥胖症是一个严重的问题,尤其在非裔美国人和,其它少数民族群体中

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A challenge that affects parents, children and citizens in almost every community in America should not be a Democratic problem or a Republican problem.

VOA: special.2010.08.12

But I am curious if you have suggestions of your own on causes or solutions to this problem of community in governance.

FORBES: Facing A Problem Of Community In Governance

"Domestic violence is not just an Indian Muslim problem but a problem in any community, " says Singam.

CNN: Silenced Cries

"My main issue is that obesity is such a huge problem in the black community, " said Jerry Barrow, senior editor of The Urban Daily.com.

CNN: 'Big' concerns surround new reality show