开头：NowadaysmanypeoplepreferAbecauseithasasignificantroleinourdailylife.Generally,itsadvantagescanbeseenasfollows.First(A的优点之一).Besides(A的优点之二).
结尾：Throughtheaboveanalysis,Ibelievethatthepositiveaspectsoverweighthenegativeones.Therefore,Iwouldliketo(我的看法).