1、Many people insist that... 很多人(坚持)认为……

2、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……

3、A lot of people seem to think that... 很多人似乎认为……

4、it is a common belief that if ...人们一般认为如果....

5、it is universally acknowledged that ...人们普遍认为.......

6、when it comes to .., most people believe that ...当论及......，大多数人认为.....

7、Most of us have formed an unrealistic picture of life on....We sometimes imagine ...The other side of the picture is quite the opposite. 我们许多人对......生活有一种不切实际的想法，我们想象着......另一种想法恰恰相反。

8、there is often an assumption that ...经常有一个假设，认为.......

9、it has often been remarked that ...常常有人论及......

10、Everything has its pros and cons. There are different opinions among people as to ... .Some people suggest that .... 事物都有两面性，关于......人们有不同的观点。一些人认为......