摘要: http://blog.tangcs.com/2010/05/25/portfolio-theory/ 阅读全文
posted @ 2010-05-25 14:49 Warren Tang 阅读(178) 评论(0) 推荐(0) 编辑
摘要: http://blog.tangcs.com/2010/05/25/world-oil-reserves/ 阅读全文
posted @ 2010-05-25 10:24 Warren Tang 阅读(174) 评论(0) 推荐(0) 编辑