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一天,动物园的管理员突然发现袋鼠从围栏里跑出来了,经过分析,大家一致认为:袋鼠之所以能跑出来完全是因为围栏太低了。所以决定将围栏加高。没想到,第二天袋鼠还能跑出来,于是,围栏被继续加高。但是,令这些管理员们惊恐万分的是,无论围栏加高多少,袋鼠们总会在第二天跑出来,管理员们一不做二不休,安装了最先进的监控设备,轮流值班,24小时守着这些白天看起来特别听话的袋鼠。终于,他们发现了问题所在,真
One day, the zoo administrator suddenly found the kangaroo ran out of the fence. After analysis, everyone agreed that the kangaroo was able to run out completely because the fence was too low. So I decided to raise the fence. Unexpectedly, the kangaroo ran out the next day, so the fence was elevated. However, to the horror of these administrators, the kangaroos ran out the next day regardless of the height of their fences. The administrators installed the state-of-the-art monitoring equipment and took turns on duty 24 Hours are guarding kangaroos that appear to be especially obedient during the day. Finally, they found the problem, really