There's lots of evidence that second hand smoke causes respiratory illnesses in children, so given that the levels are high, then you'd expect (parents) are exposing their children to health risks.

大量证据显示，吸二手烟可导致儿童的呼吸系统疾病，比例之高，你可以想象得到，家长正在使他们的孩子的健康暴露于危险之中。

youdao

There's lots of evidence that second hand smoke causes respiratory illnesses in children, so given that the levels are high, then you'd expect (parents) are exposing their children to health risks.

大量证据显示，吸二手烟可导致儿童的呼吸系统疾病，比例之高，你可以想象得到，家长正在使他们的孩子的健康暴露于危险之中。

youdao