1.It is reported that
2.It is estimated that
3.It must be stressed out that
4.Nothing has received more praise and abuse than something.
5.Something leave much to be desired.
6.A is to B what C is to D.
7.Never has something failed to fascinate us in modern society
8.It is no overstatement to say that
9.It is no exaggeration to say that
10.Something is a good case in point.
11.The ever-accelerated updating of something has brought about both chances and challenges.
12.It is was + 被强调部份 + that who + 原句剩余部份.
13.Something is indispensable to somebody in this updating society.
14.On the one hand, 
15.On the other hand,
16.An argument occasionally these days is whether
17.For example,
18.For instance,
19.To illustrate,
20.As an illustration,
21.In contrast, 
22.By contrast,
23.On the contrary,
24.Whether …depends on whether…
25.It is wrong to assume that 
26.When it comes to something,
27.… for the reason that
28.… for the simple reason that
29.For one thing,
30.For another,
31.There is an element of truth in both views.
32.Both views make sense.
33.Some people fail to take into account the fact that
34.In view of the seriousness of this problem,
35.It is indisputable that
36.To make matters worse,
37.To make things worse,
38.On a substantial level,
39.Nothing is more significant than to do something.
40.Nothing is more critical than doing something.