as can be clearly seen from the table, the gross domestic product (gdp) of country x has soared from 300 billion dollars in 1980 to 1,000 billion dollars in 2000, more than 200 percent higher. the rapid increase tells us vividly how well the economy has developed during the past two decades.

　　as far as the reasons for this change are concerned, we can list several most important ones. to begin with, the government of the country has adopted the policy of reform and opening up for more than twenty years, which liberated people from old constraints. what s more, while all the people have been actively involved in economic activities in order to better their lives, they contributed a lot to the national economy. last but not least, the enterprises have taken advantage of this golden opportunity to make big profits, thus unintentionally speeding up the economic growth.

　　there is no denying that the country has successfully and smoothly developed its economy. as long as all the parties concerned, the government, the people and the enterprises make concerted efforts, the gdp growth will be even faster and healthier