直销教育基金会学术资料库涵盖国家范围内约100,000名消费者的历史购买信息。
Customer buying history for about 100,000 customers of nationally known catalog
金融资料数据库提供全球关于股票，股指，外汇的金融及宏观经济数据。
A global financial and macroeconomic database covering equities, stock market indices, currencies
