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 ones knowledge
widen ones horizons
cultivate/foster
ones 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 peoples health
do damage to
to sum up/in general/on the whole/
in this sense/in conclusion