"So if you have hoarseness with tobacco or alcohol use, that would be a significant risk factor for cancer or other problems of the throat that could be serious.

VOA: special.2009.09.02

And you also have classes that will give you an insight into, someone is coming to see you, who has an alcohol problem, a drug abuse problem, things you will engage in daily activities, boyfriend girlfriend problems, having trouble in class.

和其他课程，比如,有一个人来找你咨询，他有酗酒或者是吸毒问题，或者其他会在日常生活中遇到的问题，男友女友的问题，课堂上的问题等等。

普林斯顿公开课 - 人性课程节选

And you also have classes that will give you an insight into, someone is coming to see you, who has an alcohol problem, a drug abuse problem, things you will engage in daily activities, boyfriend girlfriend problems, having trouble in class.

和其他课程，比如,有一个人来找你咨询，他有酗酒或者是吸毒问题，或者其他会在日常生活中遇到的问题，男友女友的问题，课堂上的问题等等。

普林斯顿公开课 - 人性课程节选