It found “evidence of a causal relationship, ” but not proof of one, between pollution from vehicles and impaired lung function and accelerated hardening of the arteries.

机动车污染不仅会损伤肺功能，而且会加速血管硬化。

youdao

It found “evidence of a causal relationship, ” but not proof of one, between pollution from vehicles and impaired lung function and accelerated hardening of the arteries.

机动车污染不仅会损伤肺功能，而且会加速血管硬化。

youdao