Perhaps this was one of those pack-a-day smokers or somebody a bit older who smoked heavily in their early years?

或许这是发生那些一天一包烟的烟民或者是早年抽烟抽得很厉害的老烟民的身上。

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''Her face is puffy and she's starting to show wrinkle marks around her lips, reportedly from a two pack-a-day cigarette habit''

有人惊叹道：“她的脸是肿的，她嘴唇旁边还有皱纹！” 被报道一天能抽两包香烟的布兰妮，在高清晰度电视里尽显出她皮肤的过早衰老。

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One had to quit abruptly on a given day, going from about a pack a day to zero.

吸烟者必须从某天开始突然戒烟，从一天一包烟到再也不抽烟。

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Most studies conclude a cigarette costs 10 minutes of life, so a pack-a-day smoker (20 cigarettes a day) loses 13.9% of a year to the habit over the long haul.

FORBES: The World's Heaviest-Smoking Countries

One day, decades from now, people may look back on our reckless consumption of soft drinks and chips in the same way that we today look back at a three-pack-a-day smoking habit.

NEWYORKER: Snacks for a Fat Planet

Men who'd smoked a pack a day for 40 years -- or, equivalently, two packs a day for 20 years -- were 82% more likely to succumb to prostate cancer than men who had never smoked.

CNN: Smoking linked to more aggressive prostate cancer