During the interval between her divorce and her remarriage she had learned what things cost, but not how to do without them; and money still seemed to her like some mysterious and uncertain stream which occasionally vanished underground but was sure to bubble up again at one's feet. Now, however, she found herself in a world where it represented not the means of individual gratification but the substance binding together whole groups of interests, and where the uses to which it might be put in twenty years were considered before the reasons for spending it on the spot.