One reason was that Mexico was extremely fortunate,not just to have the US as a neighbor,but to have the US experiencing an unexpectedly vigorous economic expansion.

• 其中一个原因是墨西哥当时非常幸运，不但有美国这强大邻国帮助，又正好碰上美国一次出人意表的蓬勃经济扩展。