美国众议院通过了一项名为“不让一个孩子留在屋内”的法案，以鼓励孩子接触户外的公共活动。

House of Representatives approved the delightfully named No Child Left Inside Act to encourage public initiatives aimed at exposing kids to the outdoors.

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这对公共健康是一项主要挑战——在一个为懒散而建造的社会中，你如何推进体力活动？

Therein lies one of the major challenges of public health - how do you promote physical activity in a society that is built for inactivity?

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一项称为“小步行动”的公共教育活动将努力通过强调选择健康的生活方式来教育美国人，比如走楼梯而不是乘电梯。

A public-awareness campaign, dubbed "small steps", will try to educate Americans by highlighting healthier lifestyle options, such as walking up stairs instead of taking a lift.

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