文献综述literature review是毕业论文里最重要的一个部分之一，且是文章的开端部分，可以说literature review写的好，文章给人的第一印象就成功了一半。
第一步：介绍理论背景 (theoretical framework)
第二步. 介绍已有研究 (existing literature)
第三步. 介绍research gap
第四步. 介绍当前的研究（the current study）
最后，将写好的literature review再看一遍，看看是否符合逻辑，或者某些论点过少，可以再去相应地找资料。
【已有研究】万能句型
Recent evidence suggests that ..Extensive/Previous/Prior research has shownthat
Previous research has established that .A series of recent studies have indicated that...Studies over the past two decades haveprovided important information on..There is a growing body of literature thatinvestigates…Ample evidence exists to support the view/hypothesis that...Researchers have become increasinglyinterested in…
…is an emerging research area in the field of...
【研究冲突】万能句型
The extent to which …. has remained
controversialWhether and the extent to which …determinesthe ...is controversial.However, the extent to which the model of ...influences ….. has been under much debate inthe field of... Some … whereas some.There appear to be discrepancies betweensome of the reported observations.The results on this question are mixed.Research on this issue presents conflictingfindihgs.
The literature on_is less consistent.There is far less consensus as to…
【research gap】万能句型(缺少前人研究)
While/Whist/Although some/extensive/aconsiderable body ofresearch has beencarried out on …, much less is known about…To date, this problem has received little/scantattention in the research literature.The role of.. in….is less certain/understudied/poorly understood.So far, however, there has been very littlediscussion about..In contrast to…, there is much less informationabout the effects of...
【research gap】万能句型(前人研究缺陷)
This seems to be a common problem in….The limitations of..are increasingly apparent.One limitation in … is that The existing studies have many problems in ….The existing accounts fail to resolve/address.Half of the studies evaluated failed to specify...s research is not without controversy.
【research aim】万能句型
This study/paper/essay is aimed at./providesan overview of.../discusses the role of ... in.../investigates the factors that determine….
The aim of this study is twofold. The first is to..The second is to.
