我不会告诉你我付了多少钱——这不关你的事！

I'm not going to tell you how much I paid - it's ___none ___of ___your ___business!

你可能认为这不关我的事，但我必须说出来。

You might think it's ___none ___of ___my ___business, but I just have to say this.

我的职业规划不关他们的事，所以我没和他们讨论。

My career plans are ___none ___of ___their ___business, so I didn't discuss it with them.