No secondhand smoke production.

无二手烟的产生。

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In particular, their odds of being sensitized to cat dander were double that of children with no secondhand smoke exposure at 2 months of age.

特别是，他们对猫毛屑过敏的几率是2个月大未被动吸烟儿童的两倍。

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There is no safe level of secondhand smoke for nonsmokers. Don't expose your children to secondhand tobacco smoke.

别让你的孩子吸二手烟。

youdao

And of course, there's no secondhand smoke from snus.

FORBES: Magazine Article

Dual tuners and 80 hours of storage mean no more over-used VHS tapes, no more secondhand descriptions of his favorite TV shows, and a chance to catch up on all the TV he's been missing while he's been, you know, raising a family.

ENGADGET: celebrates Father's day

But when a reader buys a secondhand ebook, they have paid for it, so there is no emotional imbalance.

FORBES: Amazon Eyes Secondhand Ebook Market