translation.en: In the history of the past 50 years, the smoking risk shows how a model changes, and it also shows how an industry fights against a model it doesn't like.
translation.zh: 在过去50年里，吸烟的危害 展示了一个模型是怎么变化的 同时也展示了一个工业是怎么对付 一个它不喜欢的模型