Writing a few years later in the Journal of the Puerto Rico Medical Association, Dr. Carmen A. Saenz explained the cause.

几年后，在波多利和医学学报上，卡门。A .萨斯博士解释了原因。

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Speaking February 19th at the annual meeting of the American Association for the Advancement of Science in San Diego, Chadwick noted that Puerto Rico also relies on African dust for fertilization.

2月19日在圣地亚哥举行的美国科学促进协会的年会上的演讲中Chadwick指出波多黎各同样依靠非洲的尘土来施肥。

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The Governors Highway Safety Association, which represents state highway safety agencies in all 50 states, the District of Columbia and Puerto Rico, hasn't taken a position on the NTSB recommendation because the association would like to see more research.

CNN: Call for car-phone ban likely to meet busy signal in states