1、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……

2、It is a common belief that……==It is commonly believed that……(人们一般认为……)

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

4、It is universally acknowledged that + 句子(全世界都知道...)

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