80年初我作为访问学者来到了美国里海大学。这是一所有117年历史的私立大学,位于美国东部宾夕法尼亚州的伯利恒市内。伯利恒市并不大,但因为里海大学和美国的第二大钢厂—伯利恒钢铁公司在这里,因此美国人一般也都知道这个城市。伯利恒市被绵亘的山丘包围着,整个城实际是在一个盆地内。它只有30万人口,象美国大多数其 In early 1980, I visited the Lehigh University as a visiting scholar. This is a private university with a history of 117 years and is located in Bethlehem, Pennsylvania, in the eastern United States. The city of Bethlehem is not big, but because Lehigh University and Bethlehem Steel, the second largest steel producer in the United States, are here, Americans generally know this city. The city of Bethlehem is surrounded by rolling hills and the entire city is actually in a basin. It has only 300,000 people, like most of the U.S.