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雲小泉 Visited 6 months ago

Languages: English, German, Japanese, Chinese (Mandarin)

Learning: Chinese (Mandarin)

54, Male, From Brighton, United Kingdom, Living in Hangzhou, China

Local time: Nov 28 09:02  (China Standard Time)

Mathematics teacher. Just here to answer questions.
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Points 237760 BETA  
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Member since Jan 29, 2008