Most of them , sadly , we never discover .
遗憾的是，我们一辈子也发现不了。
These numbers vary by country around the world , but in most cases they are sadly similar or worse , and only on rare exception are they better .
在世界各国，这些数字或许不尽相同，但是在大多数国家，情况通常与美国相似或者更糟，只在极少数国家是例外。
most sadlymost sadlymost sadly