例句：xxx has emerged to be a critical problem/central issue in xxx area
xxx has become a promising research direction due to xxx
As xxx, the task of xxx becomes increasingly important
xxx arises to be the current trend in xxx
With recent development of xxx, the importance of xxx has been widely acknowledged.
第二句，由于某种问题，你要做的事情是很困难的
Unfortunately, xxx harms xxx
xxx is challenging due to xxx
Major drawbacks of xxx are xxx
The lack of xxx has led to serious problems such as xxx
第三句，可以写也可以不写，前人的工作主要缺陷。
Previous research mainly focus on xxx, which ignore xxx
Traditional methods
A limitation of prior research is
第四句,本文关注的事情，这里主要讲思想而不是具体方法
In this contribution, we focus on integrating xxx with xxx
In this paper, we exploit xxx to generate precise prediction on xxx
In this work, we explore the possibility/feasibility of modeling xxx and xxx simultaneously
On the contrary, we investigate xxx in this work
第五句，可以特别长，简要介绍本文具体采用的方法
A xxx model is proposed, which xxx
（这里通常可以给自己的model取个名字，并用加重号突出名字缩写的来源，如IKNN: Informative k-nearest neighbor pattern classification）
We develop xxx, based on xxx features derived from xxx
The presented framework consists of two stages, in the first stage xxx
The properties of xxx are studied and employed in xxx
第六句， 实验效果
Experimental results on xxx data sets demonstrate the efficiency and effectiveness of the proposed model
Our extensive empirical analysis under xxx scenarios shows the capability of xxx
Experiments carried on xxx data sets show that our xxx method outperforms traditional methods in terms of xxx
第七句，可以写也可以不写，把贡献highlight一下
Our analysis is the largest such study we are aware of
The discovery presented in this paper can be helpful for future research on xxx
The encouraging results reveals the potential of xxx