在人类即将迈入21 世纪的时候，不禁想起20 世纪末西方国家出于某种目的而制造的“中国威胁论”，它从一个侧面说明了中国的发展进步正在引起世人的关注。就像有人说的，如果20 世纪为“美国世纪”，那么21 世纪会成为“中国世纪”吗？中美经济有多大差距美国经济自1991 年3 月 As human beings are about to enter the 21st century, they can not help but think of the “China threat theory” made by western countries for some purpose at the end of the 20th century. It shows from one aspect that China’s progress in development is drawing people’s attention. As someone said, if the 20th century is the “American Century,” then will the 21st century become “China’s century?” How Big the Differences Between the U.S. Economy and the U.S. Economy Since March 1991