Agree or disagree (两边分)
Recent years have witnessed …(背景)， which has aroused a heated debate of whether …(把要讨论的话题引入进来) Views on this issue vary from person to person. From my point of view, before airing my own opinion, I do think it’s necessary to analyze / explore this thorny issue from different angles / both sides of this thorny issue.
Those who …(正面观点)tend to present the following reasons. To begin with, … In addition, … What’s more, …(尽量用不同的论证方法)
However, other people may examine / explore this issue from another angle. For one thing, …For another thing, … Furthermore, …
In conclusion, although it’s very difficult / hard to draw / come to / reach / arrive at an absolute conclusion to this issue, I would not hesitate to assent to the former / latter viewpoint because I’m fully convinced that …
It is undeniable that the specific issue of sth./ 或接whether 从句 has become controversial. However, in spite of those who believe that sth. have more negative/positive effects, I hold opposite attitude.
The drawbacks of sth are obvious. Some people are really concerned about … They hold that …(请解释)。 Other feel upset at …(另外一个弊端), which will damage …/endager ….
It is often the case that …(此处总结上段提出的两个弊端)。But when it comes to …, …, and …,(此处先总结写你认同的几个好处)，an increasing number of people including me are convinced that …For one thing, …。 The evidence recently presented in research journals available to the public confirms that … 写调查结果，通过数字来证明自己所列举的好处1. Besides， … (另外一个好处). In other words, …(换种说法解释)。This is another aspect of how sth benefits us.
All in all, sth has played a significant role in … It has both upsides and downsides. But it is my firm belief that its disadvantages/advantages of … outweigh the advantages/disadvantages.
1、Recently the...has been brought into focus...Nowhere in history has the issue been more visible. In this essay, I aim to explore this complicated phenomenon from diverse perspectives, identify the relevant contributing factors and bring up some effective measures.
2、As far as I am concerned, an array of integrated factors contributes to the ...The first role that should be blamed is...Another equally important factor lies in… Last but not least...
3、As a matter of fact, ...gives rise to a host of problems, such as...Confronted with such a thorny issue, people come up with a variety of constructive countermeasures. Personally, the following are worth recommendation...
4、When everyone is fully aware of the severity and take feasible measures, I firmly believe...