摘要
导读：在全球，每天都有几十万人神秘消失，其中有一些人被找到了，可是大多数人就这样消失得无影无踪。
Worldwide there are actually hundreds of thousands of missing persons and many more dis- appear every day. One only has to search Google Images for ＂Missing People＂ to appreciate the number of the problem. Many of these missing people are found but a large number of them dis- appear forever.
