(1) 该文提出/叙述/探讨...This paper presents/describes/discusses/ introduces/suggests/shows/deals with...
 
(2) 该文涉及/限于...This paper is concerned with/limited to
 
(3) 可见...It follows that...
 
(4) ...是合乎情理的 It stands to reason that…
 
(5) 结果...It turned out that...
 
(6) 已经证明/充分证明...It has been proved that." /There is ample proof that..
 
(7) 本文旨在/试图...This paper aims at/attempts to...
 
(8) 本文表明...This paper demonstrates(shows, indicates)...
 
(9) 本文以...为研究对象 This paper focuses on...
 
(10) 本文研究...This paper is the study of…
 
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(14) 本文试图探讨 This paper is an attempt to discuss...
 
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(17) 本文作者认为/指出...The author believes (claims, maintains, holds, argues)/points out that.…
 
(18) 本文首先对...做了简要概述 This paper opens with a summary (brief account) of...
 
(19) 本文用较多的实例论证了...The article illustrates... with a number of concrete examples...
 
(20) 本文从这一观点出发，对...进行了评述Taking this as its central argument, the article comments on...