人在上海，地点基本不限。
英文基本情况可见： http://blog.hjenglish.com/rulinma/
围脖： http://t.sina.com.cn/rulinma
可交换的:
1 学习中文
2 了解中国、中国文化、中国人等。
其它的可以提出，我看是否可以胜任。
联系方式：发mail给我 rulinma@gmail.com
假如你认识的朋友有兴趣，请告知。谢谢。
English:
I want to learn English, if you master it. Please contract to me. But I will not pay for it. You can exchange something I master, for example, teaching Chinese, talking about others, learning China & Chinese culture and so on. Thanks a lot.
Contract: rulinma@gmail.com
If you have some friends are interesting in this, please help me to contract. Thanks.