Introduce myself Hello,everyone.l am a 19-year-old girl in Shanghai.My nickname is Doris.l am studying economy and trade in college,for l am good at Maths.In my free time on weekends,l do a maths tutor.l can speak Mandarin fluently,but my English isn't very well.So l would like to make friends with people in different countries for knowing each other and practicing language. If you are inteersted ,please send a message to me.