comparison ad比较广告,(新旧产品)对比广告comparisonn.比较；比喻Comparison teaching method比较式教学法comparison and appreciation比较与欣赏comparison of design scheme设计方案比较Comparison of lung function肺功能比较comparison for the sameness求同对比Comparison of foraging site取食地比较comparison method of energy电量比较法comparison appreciation law比较鉴赏法Comparisons n are odious.人比人，气死人。comparison of matched pairs配对比较