There are different opinions among people as to ____ 。Some people suggest that ____。关于……人们有不同的观点。一些人认为……
Nowadays, (overpopulation) has become a problem we have to face. 如今,(人口过剩)已成为我们不得不面对的问题了.
To understand the truth of..., it is necessary to analyze...
为了了解……的真相,有必要分析……
Different people have different opinions/ views/ ideas about... Some people take it for granted that... On the contrary, some other people think...
对于……的观点因人而异。有人想当然的认为……相反,有人则认为……
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……
However, we have to look at the other side of the coin, that is… 然而我们还得看到事物的另一方面,即 …
We should solve the problems that we are confronted/faced with... 我们应该解决我们面临的困难……
Some people think that….有些人认为…To be frank,I can not agree with their opinion for the reasons below.坦率地说,我不能同意他们的意见,理由如下。