It is high time that we put an end to the trend of...（我们早该结束的趋势）
For the past several years，it has been widely accepted that...but the time has come to ask whether...（过去几年，人们普遍认为，但是现在该考虑是否）
In conclusion，it is worth mentioning that...（最后，值得一提的是）
It is clear that...（很显然）
There is no denying that...（不可否认）
All things considered，it is important to note that...（综合考虑，重要的是要注意）
In light of the evidence presented，it is reasonable to believe that...（根据所提出的证据，相信是合理的）
For the past several years，it has been widely accepted that...but the time has come to ask whether...（过去几年，人们普遍认为，但是现在该考虑是否）
In conclusion，it is worth mentioning that...（最后，值得一提的是）
It is clear that...（很显然）
There is no denying that...（不可否认）
All things considered，it is important to note that...（综合考虑，重要的是要注意）
In light of the evidence presented，it is reasonable to believe that...（根据所提出的证据，相信是合理的）
