你的親戚朋友代表１０％，５０％，還是９０％的中國人生活水平？

來源: 於 2014-11-16 11:05:51 [舊帖] [給我悄悄話] 本文已被閱讀：次

Just curious, at what age did you come to US? How much interaction do you have with the real native English speakers in  your daily life?