一项合同要被分类为租赁，必须要满足的要素包括（　　）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69446' and id < 4497371 and id<>'4497371' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69446' and id > 4497371 and id<>'4497371' order by id asc limit 5