Public Address systems (PA systems) are commonly used in American malls, airports and grocery stores.

公共广播系统在美国的商场、机场、和杂货店普遍使用。

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The greatest impact can be achieved by creating healthy public policies that promote NCD prevention and control and reorienting health systems to address the needs of people with such diseases.

通过制定健康的公共政策，促进非传染性疾病的防控，以及通过重新调整卫生系统、解决这类疾病患者的需求，就可以取得最大效果。

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Strengthening public health systems to address health effects of climate change.

加强公共卫生系统，处理气候变化的健康影响。

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And General Dynamics is installing them in the public address systems of U.S. Navy ships.

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"The honest truth is that our public school and mental health systems are not well-equipped to address trauma in a way that is resonating with them, " Alvarez said.

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Rebuilding efforts must address economic conditions and the region's aged infrastructure -- including its public housing, transportation systems, and utilities -- and identify the requirements and resources necessary to bring these systems to a more resilient condition given both current and future risks.

WHITEHOUSE: The White House