楼下白发苍苍的海勒夫妇常常会问爱尔安：“你的爷爷奶奶什么时候来？”他们从前年就开始问这个问题，那时爱尔安刚向他们预告他的爷爷奶奶要来。在爱尔安搬来做海勒夫妇的邻居以前，爱尔安的爷爷来过一次德国，而爱尔安的奶奶只听别人说过德国。爱尔安在中文学校的同学金木， The white-haired Heller and his wife downstairs would often ask Erne: “When will your grandparents come?” They began to ask this question the year before, when Ernan had just informed them that his grandparents were coming . Before Erne moved to the neighbors of the Hellers, Arian’s grandfather visited Germany, and Ern’s grandmother only heard people say Germany. Ailin’s classmate at the Chinese school, Jin Mu,