既针对未来预期的汇率变动又针对未来收益的风险类型是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31438' and id < 2520342 and id<>'2520342' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31438' and id > 2520342 and id<>'2520342' order by id asc limit 5