It doesn't matter that you're poor 意思是不是(没关系,你很穷)

It doesn't matter that you're poor 意思是不是(没关系,你很穷)
It doesn't matter that you're poor 意思是不是(没关系,你很穷)

It doesn't matter that you're poor 意思是不是(没关系,你很穷)
你穷没关系.
你说反了,应该是,你很穷,（但）没关系

虽然你穷，但这没关系。
It 是形式主语，代替真正的主语that you are poor.
所以此句可改为：that you are poor doesn't matter.
这样一来意思就容易看清了。

虽然你穷，但是我不在意。