i can not sure与i am not sure 有啥区别?楼主也也是学英语出身的,但是没法子跟学英语的盆友解释这两者个区别啊,

问题描述:

i can not sure与i am not sure 有啥区别?
楼主也也是学英语出身的,但是没法子跟学英语的盆友解释这两者个区别啊,