为什么动物们什么活在森林比生活在动物园里开心?（一定要是英文理由!
问题描述：
为什么动物们什么活在森林比生活在动物园里开心?（一定要是英文理由!
答
Because their ancestors borned and grew there.Their father and mother borned and grew there too.Their lives have tight relationship with the forest.