There is no need for sb to do sth. for sth.（某人没有必要做……）；主语 + do one’s best to do….（尽全力去……）；It is universally acknowledged that +从句（全世界都知道……）；There is no denying that + S + V….（不可否认的……）；It is obvious/clear that + 从句 （…是明显的）；主语+ get into the habit of + V-ing = make it a rule to + V （养成……的习惯）；主语 + do good/ harm to sth..（对……有益/有害）；nothing can prevent us from doing….(没有事情能够阻挡我们做……)；… enable + sb.+ to + do… （……使……能够……）；On no account can we + do…（我们绝对不能……）；There is no denying that + S + V…（不可否认的……）；