Why does the writer not understand the porter?why does't Aunt J tell anyone how old is she?
问题描述：
Why does the writer not understand the porter?why does't Aunt J tell anyone how old is she?
什么时候用why does not 什么时候用why doesn't
答
个人觉得,这个主要是“语气”上有所不同.
一句中not（没有）否定understand,语气是：作者为什么“没有”理解行李搬运员呢?
二句中的doesn't构成强烈的语气“为什么不”.
另外,你在输入时,是否将2句中的she is误写成了is she?