You hear about fantastic networking opportunities second- or thirdhand.

你会辗转听到拓展人脉关系的美妙机会。

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But if, for example, they stop smoking at 2 p. m. and the kids come home at 4 p. m., our work shows that up to 60 percent of the harm from inhaling thirdhand smoke remains.

但是，如果他们在下午2点时停止吸烟，而他们的孩子下午4点回到家中时，我们的数据显示，孩子吸入三手烟有害物质高达60%。

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The residue that clings to a smoker's hair and clothing, as well as cushions, carpeting and other goods — sometimes referred to as thirdhand smoke — also can pose risks, especially for children.

吸烟者身上烟的残留物，会存留在衣服，头发，还有靠枕，地毯上等等，这些东西会造成三手烟——同样会造成危害，特别对小孩而言。

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The residue that clings to a smoker's hair and clothing, as well as cushions, carpeting and other goods — sometimes referred to as thirdhand smoke — also can pose risks, especially for children.

吸烟者身上烟的残留物，会存留在衣服，头发，还有靠枕，地毯上等等，这些东西会造成三手烟——同样会造成危害，特别对小孩而言。

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