"Well, for a year or two."
"Which do you mean? Between one year and two there's all the difference in the world."
"Call it two then," said Isabel with a studied effect of eagerness.
"And what shall I gain by that?" her friend asked with no sign of wincing.
"You'll have obliged me greatly."
"And what will be my reward?"
"Do you need a reward for an act of generosity?"
"Yes, when it involves a great sacri昀ce."