Everything has a good side and abad side, and ....is no exception.
As the proverb goes: "every coin has its two sides", ....is no exception.
The discussion as to whether the ... is a blessing or a curse arouses most people's interests.
..plays such an important role that it undeniably becomes the biggest concern of the present world.
There comes a question: is it a blessing or acurse.
There is no denying that everything has one moreface and ... is no exception.
Everything in the world has its own two sides.Without exception, A has both advantages and disadvantages.
....undoubtedly plays an increasing significant role in modern life.
With the development of the society, ... is increasingly important.
The merits of this is obvious...
And I would like to present two explanations for this:
The reasons are chiefly as follows.
There are numerous reasons why ____, and I would like to explore a few of the most important ones here.
The reasons are presented below.
The reare three premier(主要的)/best/ most important, largest, significant, obvious, crucial causes as follows.
This is based on the propensity(倾向，原因) of following points.
The main reason is that..
One very important argument for ..... is that...
The reasons are quite clear. Above all, ...
The first reason can be seen by every person.
Another reason why .....(凑字数，但不可滥用) is that....(有利于写长句)
What is also worth noticing is that...
There is another factor that deserves some words here.
A more essential factor why.... Is that
A further reason why,,,, is that...
Moving on to wider themes,_______
The second thing that must be taken into consideration is that...
Likewise(同样)， common sense tells us that...
The third but very important reason is that...
The third, not the last is that,
The last factor to be taken seriously is...
Finally, last but not least.
As we know, ... bring many benefits and convenience to people.
There are no less than three advantages in .. as rendered below.
Despite the advantages ... has, some people claim,we shall not lose sight of its adverse effects on...
However, like anything else,... has more than one face.
However, with the advance of the human civilization, there is an increasing number of people who have raised doubts about whether...
Some people deem it is a dangerous signal and callfor public awareness of the negative effects it has brought about.
Of course, nothing in the world is perfect, so is...
Despite its merits, it also brings some problems to solve.
But its bright side should not keep us from examining its dark side.
From the reasons presented above, I think the pros outweigh the cons.
As far as I am concerned, its disadvantages outweigh its disadvantages.
总的说来：In general, all in all, on thewhole, in brief, in summary, in conclusion, in short, in a word, to sum up, to conclude, to summarize,...
But all in all, I would say the advantages outweigh the disadvantages. With the advance of society, if we encourage the merits and eliminate the drawbacks, all people will enjoy a better life.
From what has been discussed above, we may finally draw the conclusion that...
So, as I see it...
What we must do is to encourage the strength and diminish the weaknesses to the least extent.
In conclusion, although ... has its negativeeffects, it can to a great extent bring us more advantages.
From what has been discussed above, we can see ... does more harm than good to us. Therefore, I strongly approve of the motion that...
It can be given a concrete example,
Take ... for an example, it is a very obvious case
There is one impressive example I want to mention here.
Let's see an example.
It is best illustrated if given the following example.
Let me provide an example。
Perhaps the most important example of ...is that...
As I remember,/ I now still remember that.
I will never forget that
To illustrate this, there is an example that isvery persuasive.
An instance that accompanies this reason is that...
An example can give the details of this argument,...
It is a forceful example to demonstrate the importance of ...
In order to see this point clearly, let us see an example.