浪费还是节约

Father: Oh, Jack, you have slept away the whole morning. Don"t you know you are wasting time?Jack: Yes, Dad. But I"ve saved you a meal, haven" I?父亲:噢,杰克,你又睡了一上午。难道你不知道你这是在浪费时间吗?杰克:我知道,爸爸。可我还给您节省了一顿饭呢,是不是?