there are many more patients in poor countries than in rich countries.

问题描述:

there are many more patients in poor countries than in rich countries.
many 能改成木much吗为什么.

能.但语意不同.
原句的意思是:贫困国家有更多病人相比较富裕国家.
用了much的意思是:贫困国家有比富裕国家多得多的病人.