来自陈建伟的问题
whathaveyoubeenupto与howhaveyoubeen有什么区别?
whathaveyoubeenupto与howhaveyoubeen有什么区别?


whathaveyoubeenupto与howhaveyoubeen有什么区别?
whathaveyoubeenupto与howhaveyoubeen有什么区别?
whathaveyoubeenupto是指你近来一直在做什么
howhaveyoubeen是指你近来如何