一.开头句型
1.As far as ...is concerned
2.It goes without saying that...
3.It can be said with certainty that...
4.As the proverb says，
5.It has to be noticed that...
6.It's generally recognized that...
7.It's likely that ...
8.It's hardly that...
9.It's hardly too much to say that...
10.What calls for special attention is that...需要特别注意的是
11.There's no denying the fact that...毫无疑问，无可否认
12.Nothing is more important than the fact that...
13.what's far more important is that...
二.衔接句型
A case in point is ...
As is often the case...
As stated in the previous paragraph 如前段所述
But the problem is not so simple. Therefore 然而问题并非如此简单，所以……
But it's a pity that...
For all that...In spite of the fact that...
Further, we hold opinion that...
However , the difficulty lies in...
Similarly, we should pay attention to...
not(that)...but(that)...不是，而是
In view of the present station.鉴于目前形势
As has been mentioned above...
In this respect, we may as well (say) 从这个角度上我们可以说
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 …