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       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

　　contribute to

　　The rapid increase of vehicles contributes mainly to the traffic issue.

　　account for占据/解释…的原因

　　environment

　　juvenile delinquency

　　pay sufficient/adequate attention to/

　　lay emphasis on/ pay heed to

　　law/regulation

　　prohibit/forbid/ban/restrain

　　influence/affect effect

　　have negative/positive effects on

　　raise/enhance/promote the awareness of

　　crack down on/upon(对…严加处置或限制) crimes

　　join hands in doing=join hands to do

　　make joint efforts to do/

　　do one‘s utmost to do…

　　put emphasis on sth.=give priority to

　　eliminate/eradicate/get rid of illiteracy/poverty

　　solve/handle/tackle/deal with/cope with

　　explore the issue from diverse perspectives

　　effective/ efficient/ constructive countermeasure

　　city dwellers = citizens

　　college graduates

　　in the colleges = on college campuses

　　proper = appropriate

　　lack

　　He lacks experience.

　　For lack of experience， he was fired.

　　as = since = now that = in that

　　so = as such， = consequently， = as a result，

　　Every metal has its reverse.

　　pros and cons

　　advocate

　　believe = assert = argue = contend = insist = demonstrate = illustrate = hold = hold the opinion that… = be of the opinion that…

　　be popular = be pervasive = gain the popularity

　　on one hand， …… on the other hand.= for one thing， …… for another，

　　to begin with，= in the first place，= first and foremost

　　what‘s else，= what’s more，= in addition，= at the second thought，

　　last but not least，

　　frankly speaking，= generally speaking，= directly speaking，directly or indirectly，= ，one way or another，

　　I will，directly or indirectly，explore the issue.

　　hold water

　　direction = compass

　　a hard issue to solve = a hard nut to crack