In zoos, animals are no longer kept in cages, but in great spaces, either in the open air or in enormous greenhouses.

在动物园里，动物不再被关在笼子里，而是生活在广阔的空间里：要么是露天的环境，要么是巨大的温室。

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Even if you don't have nice hot-swappable drives or removable drive cages, it takes just a couple of minutes to pop the case open and hook one up.

即使您没有热插拔硬盘或者抽取式的硬盘架，打开机箱安装一个硬盘也用不了多长时间。

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Freedom is the key to open all cages.

自由是打开一切樊笼的钥匙。

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From the floor to the ceiling, as in a gigantic poultry farm, they were cooped up in open cages, five of them in each 9-foot-square space.

FORBES: Fact and Comment

When the employees were unable to open the cages, the two robbers locked the employees in a bathroom and forced open the cages with a broom handle.

FORBES: Convicted Robber Faces Exile In Federal Case

Terry Thompson died from a self-inflicted gunshot wound on October 18 shortly after he pried open cages and opened the farm's fences that held his private menagerie of lions, tigers, bears, wolves and monkeys.

CNN: Widow of man who freed exotic animals to get them back