1、It is commonly/generally/widely/believed/held/accepted/recognized that…它通常是認為…
2、Along with the development of…,more and more…隨著……的發展，越來越多…
3、However，the difficultly lies in…然而，困難在于…
4、not(that)…but(that)…不是，而是
5、The same is true of …
6、My argument for this view goes as follows.我對這個問題的看法如下。
7、It's likely that…這可能是因為…
8、Take…for example.
9、As is often the case…由于通常情況下…
10、It's hardly that…這是很難得…
11、But it's a pity that…但遺憾的是…
12、I believe the title statement is valid because…我認為這個論點是正確的，因為…
13、Just think of…
14、In this respect，we may as well(say)從這個角度上我們可以說
15、Nothing is more important than the fact that…沒有什么比這更重要的是…
