To sum up,while more and more men gradually gave up smoking an increasing number of women picked up this habit. In a word,on the rank ladder of ACME Oil Company,male employees took up a higher and higher proportion than the Weaker Sex as it gradually went up to the peak-Grade A. In a nutshell,while more and more people chose to drive to and from work,fewer and fewer people stuck to the more traditional modes of transportation:by bus,by bike,and on foot. Overall,families in the three above mentioned countries all showed a fast increase in the number of times eating in restaurants every month. In summary,we have seen a general increase in income among different groups of people in the past 30 years.But it is also a fact that the difference in earnings of people with different levels of education is very small. Generally speaking,female smokers witnessed a steady rise while male smokers presented some fluctuations over the 400-year period. To summarize,all the three countries showed a much big increase in terms of families eating out over the 40-year-long period of time. In summary,the rise and fall of the percentage of smoking men and women in Australian revealed, in general,a certain unpredictable trend.To sum up, while more and more men gradually gave up smoking, an increasing number of women picked up this habit. In a word, on the rank ladder of ACME Oil Company, male employees took up a higher and higher proportion than the Weaker Sex as it gradually went up to the peak—Grade A. In a nutshell, while more and more people chose to drive to and from work, fewer and fewer people stuck to the more traditional modes of transportation: by bus, by bike, and on foot. Overall, families in the three above mentioned countries all showed a fast increase in the number of times eating in restaurants every month. In summary, we have seen a general increase in income among different groups of people in the past 30 years. But it is also a fact that the difference in earnings of people with different levels of education is very small. Generally speaking, female smokers witnessed a steady rise while male smokers presented some fluctuations over the 400-year period. To summarize, all the three countries showed a much big increase in terms of families eating out over the 40-year-long period of time. In summary, the rise and fall of the percentage of smoking men and women in Australian revealed, in general, a certain unpredictable trend