求翻译：Cheap living always starts with keeping the big cost small．For most people，that means housing．So Sarah chose to share a flat with three other friends．Her next biggest cost was food．When she ate out，she went to cheap restaurants．Once she bought a $9．99 whole chicken at a local restaurant．She then took the chicken bone是什么意思？

待解决 悬赏分：1 - 离问题结束还有