zhè / piān / wén / zhāng / cǎi / yòng / dì / jìn / de / jié / gòu / céng / céng / shēn / rù / de / fēn / xī / wèn / tí这篇文章采用递进的结构,层层深入地分析问题。This article uses a progressive structure to analyze the issue in increasing depth.