B black_head 知名会员 注册 2007-09-06 消息 235 荣誉分数 11 声望点数 178 2007-11-01 #2 Can you talk about in details? something like teach in English or Chinese? What level of math. Where you live, etc...
Can you talk about in details? something like teach in English or Chinese? What level of math. Where you live, etc...
