This second definition is particularly important now because quality of life can only be realised collectively – for example, by living in unpolluted environments and safe communities.

后一个定义尤其重要，因为生活品质只能集体实现——例如，生活在未受污染的环境和安全的社区里。

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The movie gives an interesting lesson in how city communities can come together to build healthy and safe housing that is not costly.

VOA: special.2009.03.25

Yuyun Ismawati helps poor communities design safe waste management programs.

VOA: special.2009.04.27

Mr.Obama said that some of problems with the system include families being torn apart, employers gaming the system and the struggles police officersface trying to keep communities safe.

VOA: standard.2010.03.21

Native Americans must be full partners in our nation's economy, thrive in safe communities, and have equal access to quality education and health care.

WHITEHOUSE: Fulfilling Our Promise in Indian Country

"Burglary, motor-vehicle crime and youth crime all impact on how safe communities feel, and our officers have worked extremely hard in response to Londoners' concerns, " he added.

BBC: Metropolian Police crime figures show murder increase

They want to live in safe communities in warmer climates.

FORBES: Playing The Boom In Active Adult Communities