题目内容：

It doesn't matter.一般用来回答什么的?是用来回答别人的感谢?还是回答别的道歉?

优质解答

回答别的道歉
eg：Er!You are so careless.But it doesn't matter,I have a copy in my computer,Hehe.
哎!你真是马虎啊!但是不要紧,在我电脑里还有一个备份的,