In "Everyday Use," according to Mama how is Dee different from her and Maggie?

In "Everyday Use," Mama thinks that Dee is different from her and Maggie because Dee has always wanted "nice things."  Mama says that even when she was young, Dee had a style of her own, and she insisted on fine clothing and stylish accessories.  Similarly, Dee dreamed of having a lifestyle different from that of Mama and Maggie:  Dee always hated the house and seemed happy when it burned to the ground.  Mama and Maggie, however, still live on the same land in a house not much different from the one that burned down.  Furthermore, Dee has gone away to college, while Mama and Maggie are uneducated.  Mama and Maggie make do with their lives, and Dee thinks that they need to make something more of themselves.  Mama sees Dee as one who believes she is better than her family members.