过渡/引出话题 There is no doubt that ... It can not be denied that ... No one can ignore the fact that ... From what is mentioned above, we know ... 提出 观点 From my point of view ... As far as I am concerned ... I hold the view/belief that ... Personally, I believe that ... 表达 立场 Actually, I am in favour of the idea that ... In some way, I am against the thought that ... 总述原因 There are several reasons that contribute to ... My views are based on the following reasons. 分层论述 To begin with/First of all ...Besides/Furthermore/... Finally/Last but not least ... On the one hand ...On the other hand ... For one thing ...For another ... 列举例子 Take ...for example. For example/instance ... 引出经历 It reminds me of the time when ... What impresses me most is that ... 分析因果 Thanks to/Owing to/Because of ... Consequently/Therefore/Thus/As a result ... 讨论后果 Just imagine what would be like if there were no ...