追踪钱币流向的一家美国公众网站可能会对预测禽流感等传染性疾病的传播提供新的思路。与疾病一样,钱币也是由人携带到世界各地的,所以研究人员推断,要绘制潜在的流感传播图,没有比追踪美钞的流向更好的方法了。德国和美国的研究人员正是通 A U.S. public website tracking the movement of money may provide new ideas for the prediction of the spread of infectious diseases such as bird flu. Like diseases, coins are also carried by people around the world, so researchers conclude that there is no better way to map potential flu charts than to track the flow of greenbacks. German and U.S. researchers are