you are welcome、it does't matter、nothing、never mind的区别与用法

you are welcome、it does't matter、nothing、never mind的区别与用法 you are welcome与it doesn't matter的区别 it does not matter与never mind的区别 never mind 和it doesn't matter的区别? Never mind 与don't mention it的用法有什么区别? you are welcome,never mind ,that's right,not at all的区别 it doesn't matter 和you're welcome 和Not at all的区别 not at all ,never mind,you are welcome有什么区别? 回答i'm sorry.用you are welcome.还是It doesn't matter. We welcome you to our city和You are welcome to our city.的用法区别 And ,it doesn’t matter who you are ,there is nothing you can does it matter和what does it matter的区别