if的奇怪用法?

问题描述:

if的奇怪用法?
The pain is being felt most keenly in the underdeveloped if resource-rich west and south-west of the country; Yunnan saw the biggest drop in growth of any province. 中间出现的if是什么意思,什么用法?句子是5月8日 经济学人的文章里的

if 在此为连词,意思为“即使,纵然”,可以换成 "even though"不对吧?变为even though 意思解释不通。if 在此是针对underdeveloped,表达意思为:即使资源丰富,但依然欠发达的...

如果 if 换成 "even though",句型也须稍加变化,成为:

The pain is being felt most keenly in the west and south-west of the country where they are underdeveloped even though they are resource-rich.