Why don't you buy a scarf?Why not buy a scarf?你为什么不买一条围巾呢 这两句有区别吗

Why don't you buy a scarf?Why not buy a scarf?你为什么不买一条围巾呢 这两句有区别吗

没有区别,是同义句

基本没区别
希望对您有帮助
望采纳谢谢

这两句都没错。但是Why not buy a scarf?比Why don't you buy a scarf?更简洁一点，是多数人通常会用的。