It's the same as or explained in this question. It replaces a (subjectively) unimportant part of the sentence like "blah blah". In this case, the father has told her a long story about , but she is thinking what he said was unimportant to her.
It's the same as or explained in this question. It replaces a (subjectively) unimportant part of the sentence like "blah blah". In this case, the father has told her a long story about , but she is thinking what he said was unimportant to her.