（多选题）旅游合同生效后，履行地点不明确的脱行规则有（）。  

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26602' and id < 2215840 and id<>'2215840' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26602' and id > 2215840 and id<>'2215840' order by id asc limit 5