帮忙分析下we are fortunate that is it的语法结构

帮忙分析下we are fortunate that is it的语法结构
原文如下
……Progress in both areas is undoubtedly necessary for the social,political and intellectual development of these and all other societies;however,the conventional view that education should be one of the very highest priorities for promoting rapid enconomic development in poor countries is wrong.We are fortunate that is it,beacause building new educational systems there and putting enough people through them to improve economic performance would require two or three generations.……
we are fortunate that is it这句话从语法角度如何分析？中文意思是什么？