1.As far as is concerned就而言2.It goes without saying that 不言而喻 3.It can be said with certainty that 可以肯定地说 4.As the proverb says，正如谚语所说的，5.It has to be noticed that 它必须注意到 6.It's generally recognized that 它普遍认为 7.It's likely that 这可能是因为 8.It's hardly that 这是很难的 9.It's hardly too much to say that 它几乎没有太多的说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 没有什么比这更重要的是二.衔接句型1.A case in point is 一个典型的例子是 2.As is often the case 由于通常情况下 3.As stated in the previous paragraph如前段所述4.But the problem is not so simple.Therefore然而问题并非如此简单，所以5.But it's a pity that 但遗憾的是6.For all that 对于这一切 7.Further,we hold opinion that 此外，我们坚持认为 8.However,the difficulty lies in 然而，困难在于9.Similarly,we should pay attention to 同样，我们要注意 10.(that but(that 不是，而是11.In view of the present station鉴于目前形势12.As