why not do等于什么

问题描述:

why not do等于什么
等不等于How about或What about?

表示为什么不……?除了等于why don't you do,还可用how about doing 和how about doing 替换.都是表达一种建议.甚至于还等于I suggest that you should do,I think you should do,I advise you to do ……...