：cause/factor of solution/suggestion contribute to ......
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.
The rapid increase of vehicles contributes mainly to the traffic issue.
pay sufficient/adequate attention to/
lay emphasis on/ pay heed to
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