what about= why not 请说详细一些

what about= why not 请说详细一些 what about和why not怎样区别? why not,how about,what about的区别和用法. What if 和What about、Why not的区别 why not与what about与why don‘t you与how about与why not you的区别 what do you care about why I do not feel、? why don't you,why not,what\how about ,how do you feel about why don't you ; why not ; what about 三者的区别与用法 题建议用法Do you mind ,Would you like,What about,Why not,Why don' why not ,how about what about 后面是用动词Ing形式还是用原型 how about跟what about替换好,还是跟why not替换好? 请说得详细具体易懂一些