<a class='_ac _lb' lightbox='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1875767.0_rm8rt98wcgxv.PNG '><img class='_ac _di img-fluid' style='width:598px; height:inherit; background: inherit;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1875767.0_rm8rt98wcgxv.PNG' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/1875767.0_rm8rt98wcgxv.PNG' /></a><br/>Do 'push back' and 'roll back' mean the opposite?