一、开头句型

　　1.Asfaras...isconcerned就……而言

　　2.Itgoeswithoutsayingthat...不言而喻，......

　　3.Itcanbesaidwithcertaintythat...可以肯定地说......

　　4.Astheproverbsays，正如谚语所说的，

　　5.Ithastobenoticedthat...必须注意到，......

　　6.It'sgenerallyrecognizedthat...普遍认为......

　　7.Whatcallsforspecialattentionisthat...需要特别注意的是......

　　8.There'snodenyingthefactthat...不可否认......