开头：
Recently, the problem of has aroused peoples concern.
最近,问题已引起人们的关注.
Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.
互联网已在我们的生活中扮演着越来越重要的`角色.它给我们带来了许多好处,但也产生了一些严重的问题.
Nowadays, has become a problem we have to face.
如今,已成为我们不得不面对的问题了.
It is commonly believed that / It is a common belief that
人们一般认为
Many people insist that
很多人坚持认为
With the development of science and technology, more and more people believe that 随着科技的发展,越来越多的人认为
A lot of people seem to think that
很多人似乎认为
结尾：
Taking all these factors into consideration, we naturally come to the conclusion that
