作文中常用句套：下文中出现的 A,B, “...”(某事物), "sb"( somebody), 要在写作中要根据上下文进行适当替换.

开头：
Whenitcomesto..., somethink...
Thereisapublicdebatetodaythat...
Aisacommenwayof..., butisitawiseone?
Recentalytheproblemhasbeenbroughtintofocus.
提出观点：
Nowthereisagrowingawarenessthat...
Itistimeweexplorethetruthof...
Nowhereinhistoryhastheissuebeenmorevisible.
进一步提出观点：
... butthatisonlypartofthehistory.
Anotherequallyimportantaspectis...
Aisbutoneofthemanyeffects. Anotheris...
Besides, otherreasonsare...

提出假想例子的方式：
Supposethat...
Justimaginewhatwouldbelikeif...
Itisreasonabletoexpect...
Itisnotsurprisingthat...
举普通例子：
Forexample(instance),...
... suchasA,B,Candsoon(soforth)
Agoodcaseinpointis...
Aparticularexampleforthisis...
引用：
Oneofthegreatestearlywriterssaid...
"Knowledgeispower", suchistheremardof...
"......". Thatishowsbcomment( criticize/ praise...).
"......". Howoftenwehearsuchwordslikethere.
讲故事
(先说故事主体)，thisstoryisnotrare.
..., suchdelimmaweoftenmeetindailylife.
..., thestorystillhasarealisticsignificance.

提出原因：
Therearemanyreasonsfor...
Why.... , foronething,...
Theanswertothisprobleminvolvesmanyfactors.
Anydiscussionaboutthisproblemwouldinevitablyinvolves...
Thefirstreasoncanbeobiviouslyseen.
Mostpeoplewouldagreethat...
Somepeoplemayneglectthatinfact...
Otherssuggestthat...
Partoftheexplanationis...
进行对比：
TheadvantagesforAforoutweighthedisadvantagesof...
AlthoughAenjoysadistinctadvantage...
Indeed, AcarriesmuchweightthanBwhensthisconcerned.
Amaybe... , butitsuffersfromthedisadvantagethat...
承上启下：
Tounderstandthetruthof..., itisalsoimportanttosee...
Astudyof... willmakethispointclear
让步：
Certainly, Bhasitsownadvantages, suchas...
IdonotdenythatAhasitsownmerits.
结尾：
>Fromwhathasbeendiscussedabove, wemaysafelydraw
theconclusionthat...
Insummary, itiswiser...
Inshort...