CONVENTION 诸如此类; 如此等等You use yadda yadda yadda or yadda, yadda, yadda to refer to something that is said or written without giving the actual words, because you think that they are boring or unimportant. 诸如此类; 如此等等 [US, informal]
Oh, I know, I know, it's meant to be so tragic–poor woman, trapped in a loveless marriage, yaddayaddayadda.