为什么是it doesn't matter而不是it didn't 或haven't matter

为什么是it doesn't matter而不是it didn't 或haven't matter it doesn't matter.matter? it doesn't matter? it doesn't matter. It doesn't matter 还是 It is doesn't matter? It's doesn't matter还是It doesn't matter? "it doesn't really matter " it doesn't matter 英语 it doesn't really matter. it's doesn't matter! it doesn't matter回答 Maybe it doesn't matter