Coffee cup and cup together across the road, this time, one will shout "caution: grandpa, now is red." But after a while, coffee cup smooth across the road, but the water has been trucks bump into water, excuse me, why? Because coffee cup, "" no ears.
参考中文
咖啡杯和水杯一起过马路，这个时候呢，有位老爷爷就大叫“小心哦，现在是红灯。”可是过了一会呢，咖啡杯顺利的过了马路，可是水杯却被卡车撞得水流入注，请问为什么呢？因为咖啡杯有“耳朵”，水杯没有。