butitsappearance/existencederivesfromavarietyoffactors)。
(用于原因分析类议论文)
7)Theprogress/improvement/change(s)in……is(are)reallytr emendous/remarkable/prodigious/marvelous,soitisnecessarytounderstand(see)whatit(they)illustrate(s)/p rove(s)/account(s)for.(用于原因分析类议论文和知识性说明文)
8)Acomparisonbetweenthesechangesmaybeagoodwaytolearnmore about……(可用于对比说明文)
9)Moreinsight/inspiration/truth/thoughtcanbededucedfromt hesechanges.(可用于知识性说明文)
10)Thissituation/phenomenon/trend/tendencyisratherdistre ssing/disturbing/depressing/heart-rending,fortheoppositeofitisjustinlinewithourwishes/justwhatistobee xpected.(可用于分析建议、批驳分析和原因分析等议论文)
11)Inthatcase,however,Ipreferto……ratherthan……(用于理由陈述、比较分析、批驳分析类议论文和知识性说明文)
12)Thisiswhatweareunwillingtosee,sosomewaymustbefoundoutto……(可用于分析建议、对比分析、批
驳分析类议论文和知识性说明文)
13)Fortunately,however,
moreandmorepeoplecome/begintorealizethat……(可用于分析建议、对比分析和各抒己见类议论文)
14)Unfortunately,
thingshaveworsened/come/developedtothepointwhere……(用于分
析建议、原因分析、批驳分析、各抒己见类议论文和知识性说明文)
15)Buthaveyoueverstoppedtothinkwhat/how/why……?(可用于
除理由陈述之外的各种议论文和知识性说明文)