You take loneliness, you take depression, you take confinement, and you add to that, rolled up in a little white sheet of paper, one of the most potent neurostimulants that we know, called nicotine, and you add to that one of the most potent addictive substances that you know, and you have a pro-carcinogenic environment.
你拿来孤独，你加上沮丧， 再加上约束， 都加上， 放在一张白纸上卷起来， 加上一种最为有效的 神经刺激物，尼古丁， 你把这种最容易成瘾的 致癌成分放进来， 你就有了一个容易 引发癌症的环境。