Of course Cissa would have a wardrobe full of dresses. Cissa only wore dresses after all. They were all pretty and feminine and just like her. After all, she was prissy and girlie.
"If it works, I don't care. I don't want to work, Bella. Witches like us don't work. We are better than that. We get married, have babies and we are ladies. We aren't common even here." Narcissa knew what she was worth to the world and she wasn't going to let anyone tell her any different.
"Isn't there someone here who might be more adapted, who could find out? Maybe one of the wizards you live with would know how to find out?" Cissa was used to people doing things for her, after all.