虽然新儿的母亲死了不上三个月，他父亲就替他继续了一个母亲，究竟不是裂开肚皮的，怎知道他是那一天生日呢?

• In less than three months after Xin-er's mother died,his father married a step-mother for him. Since he had not popped out from his step mother's tummy,how could she know when his birthday was?