1.Itisundeniablethat(无可否认是)
2.Thereisnodoubtthat(毫无疑问)
3.Itgoeswithoutsayingthat(不喻)
4.Itiswidelybelievedthat(广泛认为)
5.Thereisagrowingconsensusthat(越越多人致认为)
6.Itiscommonlyacceptedthat(普遍认为)
7.Itisgenerallyacknowledgedthat(普遍认可是)
8.Itisworthmentioningthat(值得提是)
9.Itisimportanttonotethat(值得注意是)
10.Itiscrucialtoemphasizethat(非常重要是)
11.Itisessentialtohighlightthat(必须强调是)
12.Itisevidentthat(显易见)
13.Itisclearthat(显)
14.Itisobviousthat(显)
15.Itisimperativethat(必须)