Neither its complexity nor its importance have ever been gre

Neither its complexity nor its importance have ever been greater
麻烦翻译以下
nothing significant in it except it or may not have happened that way 30 or 40 years ago.I am not sure the full charge of friendliness would have been assumed or answered.请问这句话怎么翻译?尤其是would have been
代表的状态.