1、Asfaras...isconcerned就……而言
2、Itgoeswithoutsayingthat...不言而喻，......
3、Itcanbesaidwithcertaintythat...可以肯定地說......
4、Ithastobenoticedthat...必須註意到，......
5、Itsgenerallyrecognizedthat...普遍認為......
6、Whatcallsforspecialattentionisthat...需要特別註意的是......
7、Theresnodenyingthefactthat...不可否認......
8、Nothingismoreimportantthanthefactthat...沒有什麼比......更重要
9、Today,...,whichhavebroughtalotofharmsinourdailylife.First,...Second,...Whatmakesthingsworseisthat...現在，……，它們給我們的日常生活帶來瞭許多危害。首先，……;其次，……。更為糟糕的是……
