有一天,动物园管理员们发现袋鼠从笼子里跑出来了,于是开会讨论,结果大家一致认为是笼子的高度过低,于是他们集体决定将笼子的高度由原来的十公尺加高到二十公尺。第二天,袋鼠还是跑到外面来,所以大家马上将笼子高度增高到三十公尺。第三天,袋鼠依旧在笼子外面悠闲,于是管理员们大为紧张,干脆一不做二不休将笼子加高到一百公尺。一天长颈鹿和几只袋鼠们在闲聊,“你们看,这些人 One day, when the zookeeper found kangaroos run out of the cage, they met for discussion. As a result, they all agreed that the height of the cage was too low and they collectively decided to raise the height of the cage from the original ten meters to twenty meter. The next day, the kangaroo ran outside, so everyone immediately raised the cage height to thirty meters. On the third day, the kangaroo was still laid outside in the cage, so the administrators were so nervous that they simply ramped up the cage to a hundred meters. One day the giraffe and a few kangaroos chatting, ”You see, these people