烟草的生产与消耗的趋势
Tobacco Production and Consumption
We meet smokers almost everywhere,in the street, in shops, at the railway station, on the campus and in many other public areas. This explains the astonishing statistic figure of 1.1 billion smokers put of 5.6 billion people in the world, occupying about 20% of the world＇s population.
The harmful effect that smok
