She seemed to have some power back of her actions.

She was not like the common run of store-girls.

She wasn't silly.
In reality, Carrie had more imagination than he--more taste.

It was a finer mental strain in her that made possible her depression and loneliness.

Her poor clothes were neat, and she held her head unconsciously in a dainty way.
"Do you think I could get something ?" she asked.
"Sure," he said, reaching over and filling her cup with tea.