摘要：Library of Congress,built in the year 1800,has the largest collection in the world,with over 1 million books in Chinese.However,in the 1960s-1970s,there were only about 300,000 books in Chinese.The leap from 300000 to 1 million,along with development of China-U.S.relations from the establishment of diplomatic relations to maturing relationship,which also reflects the rising interest of the U.S.circles in