2.Along with the development of…, more and more…随着……的发展,越来越多…
3.Some people think that … 有些人认为…To be frank, I can not agree with their opinion for the reasons below.坦率地说,我不能同意他们的意见,理由如下。
4.For years, … has been seen as …, but things are quite different now.多年来,……一直被视为……,但今天的情况有很大的不同。