One of the most effective anti-smoking ads was done by the Department of Health Services, showing that nicotine, which constricts your arteries, can cause a heart attack or a stroke, but it also causes impotence.
在所有的禁烟广告中，最有效的一个... ...是健康服务部所拍摄的。 这则广告上说，尼古丁不仅会由于紧缩动脉... ...而导致心脏病或中风， 它还会导致性无能。