78． Consumer health advocate：Your candy company adds caffeine to your chocolate candy bars so that each one delivers a specified amount of caffeine. Since caffeine is highly addictive，this indicates that you intend to keep your customers addicted． Candy manufacturer：Our manufacturing process results in there being less caffeine in each chocolate candy bar than in the unprocessed cacao beans from which the chocolate is made． 到底少了多少？（随便说个数吧，２３％比２３．００１％也叫少）少没少到不上瘾的程度？ | 
