台湾 
美國 
男 
中文 (普通话) 
中文 (台湾话) 
日语 描述
I think I can help people with mandarin in all aspects because I am a learned native speaker. In addition, I should be able help with English learning because I have been living and working in the USA for many year.
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纠正
Get help from your friend to learn foreign languages!
