摘要
This article is the speech of Epstein in April21，which is profound and full of enthusiasm．He putforward a lot of problems which are worth studing.
This article is the speech of Epstein in April21，which is profound and full of enthusiasm．He putforward a lot of problems which are worth studing.
出处
《国际人才交流》
1995年第6期54-55,共2页
International Talent
