【正确答案】

The Automobile is a Double-edged Sword

In modern times, automobiles are important in our daily life because they have been shaping and reflecting the ways we work and think. With automobiles, we are able to move from one particular place to another with ease, and thus lots of time is saved. Besides, with the use of automobiles, there is need to employ people to help with the manufacturing of cars, which lead to many job opportunities for job-hunters. Finally, the development of automobiles speeds up the sustainable economic development and boost industries.
Although automobiles have more than enough benefits, they also have drawbacks too. They have exerted some unpleasant influence on social and economic development. First of all, gas emissions from automobiles have severely polluted the natural environment and do harm to people's health. In addition, with the number of automobiles growing, traffic jam is becoming a frequency, which causes inconvenience and time wasted much on the road.
In my opinion, the automobile is a double-edged sword. We believe that the harmful effects of automobiles discussed above will eventually be minimized.