merit/benefit

　　demerit/drawbacks

　　put forward

　　play an important/a significant role in…

　　have a profound influence/effect on

　　have positive/negative effects

　　along/together with the development of science and technology,

　　as the development of science and technology accelerates,

　　a good/large/growing/an increasing number of people

　　explore

　　enlarge/expand one’s knowledge

　　widen one’s horizons

　　cultivate/foster

　　one’s ability/capability/competence

　　personality

　　provide sb. with sth.

　　convenient = of convenience

　　significant = of significance

　　nevertheless,/nonetheless,/ on the other hand

　　for instance,

　　take sth. as an example

　　accelerate globalization

　　Internet provides a convenient platform. for people to communicate directly.

　　working efficiency

　　impair/damage people’s health

　　do damage to

　　incur

　　to sum up/in general/on the whole/

　　in this sense/in conclusion

　　enter an era/age of information/technology

　　serious/pressing/prominent/acute problem

　　confront/face sb./sth.

　　There are also/also exist some pressing problems confronting us/which confront us.

　　=However, we are also confronted/faced with some serious problems, one of which is traffic problem.

　　realize/be aware/conscious of the seriousness of the issue

　　In this essay, I will concentrate on/focus on/dwell on/explore the causes of this problem and find out effective solutions to it.

　　cause/factor of

　　solution/suggestion