fact(as a matter of fact),…(follow[2])
[4] however, it is not (quite, necessarily)the case.
[5] this (it) is not (quite, necessarily) the case and needs to bo fruther considered/discussed.(or:further consideration/discussion)
3论述的展开：说明原因和理由，层进，举例，转折
[1] the reason lies in several aspects,
[2] the reason why+clause+[1, underlined]
[3] there are several remarkable reasons.
[4] 层进in addition, besides, fruthermore, what’s more, on the other hand, meanwhile, for one thing…for another; finally, above all, in short.
[5] 举例for example, for instance, such (general term) as (specific terms),a typical (striking) example is that, a case in point
[6] 转折however, but, nevertheless,on the contrary
[7] 条件if , provided that, unless, as long as,etc
4 就…而言;关于
[1] as far as …is/are conc