Recently,the phenomenon of...has become the focus of the public concern. 近年来,……现象引起公众极大的关注。 In order to solve this problem,it is essential for us to discuss the cause of it. 为了解决这一问题,我们有必要首先分析其原因。 What has caused this problem?It seems to me that there are several reasons as follows. 什么导致了这一问题?在我看来主要有如下几条原因。 Among all the important/convincing reasons for...,one should be emphasized...在所有重要/有力的原因中,我们应当重点关注…… The significant effects of this phenomenon are undeniable,which can be concluded as the following aspects. 这一现象的重大影响是不可忽略的,可大致归结为以下几个方面。