一、简要综述以往和现在研究：
- 某方法被认为如何如何：it is well known that; it is regarded as; it is believed to ; It is generally acknowledged that; In general, it has been shown that;
- 某方法很重要：important; critical; crucial; it is of great significance that; play a significant role; valuable;
- 大量研究：a massive number of ; various; hundreds/thousands of ; extensive; a large number of; a variety of;
- 少量研究：only a small percentage; only a limited number of studies;
- “揭示”“表明”：reveal, report, suggested, proposed, indicate, have shown that;
- 在过去一段时间：during recent decades; recently; in recent years;
- 导致，造成：lead to; result in; cause; contribute; consequently
- 花式夸过往研究：with the recent advances; prior studies have largely focused on; has the potential to; provide insight to; allow for a better understanding of; facilitate more accurate detection;
- 越来越受到关注：There have been increasingly attentions; has received lots of attentions; with the rapid emergence of; recent findings have greatly increased the number of;
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With the growing of big news data and development of 伴随着新闻大数据的产生和移动互联网的蓬勃发展
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there are new chances and challenges in ...推荐迎来了新的机遇和挑战
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Note also that, although ...., there are ....还要注意,尽管...但...
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In particular, there are .... 特别是，.....
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These are known as .....这些被称为.....
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The foundations of ... were laid in the nineteenth century, notably by .....严谨分析研究的基础是在十九世纪建立的，特别是由....建立的
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Central to the study of this subject are .... 对这一主题的研究的核心是......
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In the remainder of this section, we briefly explain the details of this process and the challenges in designing SMURF.在本节的其余部分中，我们将简要说明此过程的细节以及设计SMURF时面临的挑战。
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In a nutshell,....简而言之,....
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Assume, for the time being,that...暂时假设...
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While ... technology holds much promise,the unreliability of .... is a major factor hindering large-scale deployment.虽然...技术前景广阔，但....的不可靠是阻碍大规模部署的主要因素。
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As our experimental results demonstrate, ... algorithms still significantly outperform ... algorithms in such difficult settings.实验结果表明，，在这种困难的情况下,ABC算法仍然明显优于DEF算法。
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There are two important points to note here.这里有两个要点需要注意
二、重点回顾与本工作相关的研究：
- 有相关性：are strongly associated with; highly correlated with; related to;
- 下结论，因此：therefore; hence; thus; consequently; as a result; accordingly;
- 举例：such as; for example, for instance;
- 解释原因：mainly because of; due mainly to; caused by; is an important factor; the reason for the discovery is that; is the major cause of; owing to; for this reason;
- 引起注意的连接词：clearly; notably, accordingly, unfortunately; typically; importantly; indeed; in particular; remarkably; in fact; as a matter of fact;
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During the past decades, there has been an increasing interest in the relationship between A and B, including A1 and B1.在过去的几十年里，人们对a和b之间的关系越来越感兴趣，包括a1和b1
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Something, particularly specific examples here, may play an important role in prevention of these problems.有些事情，特别是...，可能在预防这些问题方面发挥重要作用
三、以往工作的不足：
- 转折：despite; however; yet; although; nonetheless; meanwhile; in spite of; rather than; instead of; unfortunately
- 过去的观点：a prior study; previously; in the past; in the recent literature;
- 研究不足：lacking; there is no clear indication; has not yet been fully investigated; despite these advances, it can be difficult to infer; little is known about; there were few clues toward; it has remained a significant challenge to; these studies underscore the importance of;
- 需要继续探索：there is a urgent need to; here we sought to;
- 与之相反：in contrast; there was a controversy; whereas
- 链接连词：in addition; additionally; furthermore; moreover; also; eventually; on one hand, on the other hand; besides;
- 已有工作的评述：simple; suitable; well established; informative; effective;
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Little is concerning.没什么好担心的
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There have been only a few attempts to do something, and no systematic attempts to do something.只有几次尝试，没有系统的尝试
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Little work has been performed on something.在某件事上几乎没有做什么工作
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The role of something remains to be elucidated.有些东西的作用还有待阐明
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Compared with our knowledge of something, little is known about something. Even less is known about its something.与我们对某事的了解相比，对某事知之甚少。更不为人所知的是它的一些东西
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However, the effects of something have not been investigated thoroughly.然而，一些东西的影响还没有被彻底调查
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Something has never been satisfactorily explained.有些事情从来没有得到令人满意的解释
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Although many studies of something have been reported and it is well established that something, little is known about your related subject.尽管许多关于某事的研究已经被报道，并且已经很好地证实了某事，但是对你的相关主题知之甚少
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Little work has been performed on something.在某件事上几乎没有做什么工作
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Investigation of something by someone has been hampered by an inability to obtain something for study.某人对某事物的调查因无法获得学习的东西而受阻
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The role of something related in normal function and in some areas remain to be elucidated.一些与正常功能和某些领域有关的东西的作用尚待阐明
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Something remains controversial.有些事情仍然有争议
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Whether A do something remains controversial.是否做某事仍有争议
- The literature about something remains scant.关于某事的文献仍然很少
四、回到本研究中来
- 研究目的：aim to; the purpose of this study is to;
- 在本研究中：in this work; our work; our study; we are dedicated to;
- 研究的一系列“动作”：explore; applied; validated; implement; promote; investigated; assessed; carry out; analyze; report; establish; observed;
- 解决问题：to address the limitation; to investigate; to overcome the difficulties; in order to better characterize; to understand the potential role of; to demonstrate;
- 研究价值展望：provide insights to;
- The three prime issues can be summarized:三个主要问题可以概括为：
- The situation leads to the problem of how to determine the ...这种情况导致了如何确定…
- There have been many attempts to有很多人试图
- It is expected to be serious barrier to它将成为
- It offers a simple solution in a limited domain for a complex它为复杂的