问题描述：
哪位大神能帮我分析一下这个句子的结构,以及主语,谓语,宾语都是什么》?
Despite extensive efforts by many schools to make good roommate matches,unsatisfactory outcomes are common.
Despite extensive efforts by many schools to make good roommate matches,unsatisfactory outcomes are common.
问题解答：
我来补答展开全文阅读