你的親戚朋友代表10%,50%,還是90%的中國人生活水平?

本帖於 2014-11-16 11:08:35 時間, 由普通用戶 ZoyaWashington 編輯

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?

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