There is no denying that every thing has one more face and ... is no exception.
Every thing 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...
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 call for 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 the whole , 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 negative effects, 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...