It's generally recognized that… 它普遍認為…

　　It's likely that … 這可能是因為…

　　It's hardly that… 這是很難的……

　　It's hardly too much to say that… 它幾乎沒有太多的說…

　　What calls for special attention is that…需要特別注意的是

　　There's no denying the fact that…毫無疑問，無可否認

　　Nothing is more important than the fact that… 沒有什么比這更重要的是…

　　what's far more important is that… 更重要的是…

　　A case in point is … 一個典型的例子是…

　　As is often the case…由于通常情況下…

　　As stated in the previous paragraph. 如前段所述

　　But the problem is not so simple.Therefore 然而問題并非如此簡單，所以……

　　But it's a pity that… 但遺憾的是…

　　For all that…對于這一切…… In spite of the fact that…盡管事實……

　　Further, we hold opinion that… 此外，我們堅持認為，…

　　However , the difficulty lies in…然而，困難在于…

　　Similarly, we should pay attention to… 同樣，我們要注意…

　　not(that)…but(that)…不是，而是

　　In view of the present station.鑒于目前形勢

　　As has been mentioned above…正如上面所提到的…

　　In this respect, we may as well (say) 從這個角度上我們可以說

　　However, we have to look at the other side of the coin, that is… 然而我們還得看到事物的另一方面，即 …

　　There are different opinions among people as to……，Some people suggest that .關(guān)于……人們有不同的觀點。

　　Eating too much causes/results in/leads to overweight. 吃太多導(dǎo)致超重。

　　There is no doubt that enough concern must be paid to the problem of … 毫無疑問,對……問題應(yīng)予以足夠的重視……