In the past 20 years, 过去二十年来

157. Your point being?
     你是说
158. I don't know if you've listened
     我不知道你有没有听说
159. To the surgeon general lately say,
     卫生局长最近常说
160. In the past 20 years,
     过去二十年来
161. But smoking is bad. Smoking will kill you.
     吸烟不单有害 还会要你的命
162. Liver cancer will kill me.
     肝癌会要我的命
163. Smoking will just speed up the process.
     吸烟只是加速这个过程罢了

来自《实习医生格蕾 第一季 第三集 Grey's Anatomy S01E03》第 160 行