It's OK. It doesn't matter.

没关系。

Money doesn't matter to him.

钱对他来说不重要。

It doesn't matter if they live on the other side of the world.

即使他们住在世界的另一端也没关系。

In my opinion, what or where we eat on Spring Festival Eve really doesn't matter.

在我看来，我们在除夕吃什么或在哪里吃真的无所谓。

It doesn't matter what they say.

他们说什么不重要。

If you don't like this, it doesn't matter.

如果你不喜欢这个，没关系。

He was late, but it doesn't matter.

他迟到了，但没关系。

It doesn't matter, we can solve it.

这不有关系，我们可以解决。

It doesn't matter what time we leave.

我们几点出发无所谓。

It doesn't matter, we can do it tomorrow.

没关系，我们可以明天再做。