all i ask adele 歌词:Zoos are terrible places for animals to live. 次句句末为什么不用in?

Zoos are terrible places for animals to live. 次句句末为什么不用in? zoos are good place to live.There is a zoo that is clean to live in. zoos are good place to live.There is a zoo that is clean to live in. the nurses in the zoos怎么翻译~~？？？ Terrible Angels的歌词翻译~ PL是什么意思? 什么是“PL”？？？？？ PL是什么意思 PL是什么意思？？ 什么是pl