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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.
...