speak to sb.与say to sb.的区别

问题描述:

speak to sb.与say to sb.的区别
我只知道say to sb.是对某人讲话 而speak to sb.是同某人讲话 这又区别吗?

具体的用法不一样.
say 一件事 to sb.跟某人说一件事
A speak to B. A跟B说话