一，开头句型
It’
What calls for special attention is that...需要特别注意的是
There’s no denying the fact that...毫无疑问，无可否认
what’
二，衔接句型
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’
not(that)...but(that)...不是，而是
In view of the present station.鉴于目前形势
In this respect, we many 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
三，结尾句型
All things considered,总而言之
Therefore, in my opinion, it’
It can be concluded from the discussion1 that...从中我们可以得出这样的结论
From my point of view, it would be better if...在我看来……也许更好
四，万能句型
Let’s take...to illustrate2 this.试举例以兹证明
let’
It’
There’
