1.It has to be noticed that... 必须注意到,......
2.It's generally recognized that... 普遍认为......
3.What calls for special attention is that... 需要特别注意的是......
4.There's no denying the fact that... 不可否认......
5.As far as...is concerned 就……而言
6.It goes without saying that... 不言而喻,......
7.It can be said with certainty that... 可以肯定地说......
8.As the proverb says, 正如谚语所说的,
9.As has been mentioned above, 正如上面所提到的,
10.But it's a pity that... 但遗憾的是…...
1.Therefore, in my opinion, it's more advisable...因此,在我看来,更可取的是…...
2. From what has been discussed above, we may safely draw the conclusion that…通过以上讨论,我们可以得出结论...…
3. A and B differ in… A和B在......方面不同。
4. A differs from B in...A在......方面和B不同。
5. The difference between A and B is/lies in/exists in… A和B的区别在于......
6. Compared with/In contrast to A, B…. 和A比起来,B......
7. While it is generally believed that A …, I believe B…虽然普遍认为A......,但是我认为B......
8. Despite their similarities, A and B are also different.尽管它们有相似性,但是A和B也是不同的。