The extension of American enterprise southward into Latin America, of which the operations in the Caribbean regions were merely one phase, naturally carried Americans into Mexico to develop the natural resources of that country.

——美国企业向南延伸至拉丁美洲，其中在加勒比地区的业务只是其中的一个阶段， 自然而然地把美国人带入了墨西哥， 开发该国的自然资源。

“In one of our studies we’ve shown that in the Caribbean region the concentrations of dust are so high that they often exceed the World Health Organization’s 24 hour standard for the concentration of particles, ” said Prospero.

我们已经表明， 在加勒比海地区， 灰尘的浓度非常高， 以至于它们经常超过世界卫生组织规定的 24 小时颗粒物浓度标准， ” Prospero 说。