As far as ...is concerned 就……而言
It goes without saying that... 不言而喻，...
It can be said with certainty that... 可以肯定地说......
As the proverb says， 正如谚语所说的，
It has to be noticed that... 它必须注意到，...
A case in point is ... 一个典型的例子是...
As is often the case...由于通常情况下...
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 its a pity that... 但遗憾的是…
rom my point of view， it would be better if 在我看来......也许更好
It is hoped that we should place much emphasis on/pay more attention to 我们应该多注意......
only in this way， can we......只有这样做，我们才能......
The problem is not...... the problem is......问题不在于......而在于......
As long as...... we will be able to......the problems is bound to......只要......我们就能......这个问题注定会......