vi.1. 有重要性It doesn't matter if you are late.你如果迟到也没关系。
But this does not matter, for, as he has often remarked, one is never too old to learn.然而这没有关系，因为正如他一向所说的，人要活到老学到老。
'It doesn't matter,' I said.”不要紧，“我说。
It doesn't matter if I miss this bus, I can walk.如果我错过了公共汽车不要紧，我可以步行。
2. 化脓