Only few people know that life is beautiful for lacking something.The so-called turning-around is that you not only miss the sun in day time but also the stars at night.只有很少的人才懂得，人生是因为缺憾而美丽，而所谓的回头，只不过是丢掉了白天的太阳之后，又错过了夜晚的星星。