1.A far a …i concerned 就……而言
2.It goe without aying that… 不言而喻，…
3.It can be aid with certainty that… 可以肯定地说……
4.A the proverb ay， 正如谚语所说的，
5.It ha to be noticed that… 它必须注意到，…
6.It' generally recognized that… 它普遍认为…
7.It' likely that … 这可能是因为…
8.It' hardly that… 这是很难的……
9.It' hardly too much to ay that… 它几乎没有太多的说…
10.What call for pecial attention i that…需要特别注意的是
11.There' no denying the fact that…毫无疑问，无可否认
12.Nothing i more important than the fact that… 没有什么比这更重要的是…
13.what' far more important i that… 更重要的是…