现在戒烟还不算太晚，吸烟的数量比吸烟时间危险得多。
And it's not too late to quit the amount of cigarettes smoked was a more important risk factor than how long someone smoked.
吸烟的作用也还不明确，因为郡郡逐个统计的结果不能显示那些特定的肺癌患者是否吸烟。
Also, the role of smoking is unclear because the county-by-county statistics didn't reveal whether the individual lung cancer patients smoked.
如果你是一名吸烟者，并且还不相信吸烟和气管炎、心脏病、肺癌有着确切的联系，那么你一定是在欺骗自己。
If you smoke and you still don't believe that there's a definite link between smoking and bronchial troubles, heart disease and lung cancer, then you are certainly deceiving yourself.
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