问一个考研的长难句,请各位帮我解答一下Butitisinterestingtowonderiftheimagesweseeeveryweekofstress-free,happiness-enhancingparenthoodarenotinsomesmall,subconsciouswaycontributingtoourowndissatisfactionwith

　　问一个考研的长难句,请各位帮我解答一下Butitisinterestingtowonderiftheimagesweseeeveryweekofstress-free,happiness-enhancingparenthoodarenotinsomesmall,subconsciouswaycontributingtoourowndissatisfactionwiththeactualexperience!这句话不是有arenot,所以不是否定句么,为什么最后翻译为肯定句呀?