张某通过地产中介，购买了存量房，那么房地产交易以（ ）为前提。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28992' and id < 2359774 and id<>'2359774' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28992' and id > 2359774 and id<>'2359774' order by id asc limit 5