However, there is a lack of a sound and reasonable ratings evaluation system on historical character building.

但是．目前国内尚无一套完善、合理的历史风貌建筑的等级评价体系。

youdao

However, there is a lack of a sound and reasonable ratings evaluation system on historical character building.

但是．目前国内尚无一套完善、合理的历史风貌建筑的等级评价体系。

youdao