这个人写了半天，就最后一句才说是老人和年轻家庭, 没有任何数据。

来源: 于 2012-08-29 11:36:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

 

He has no data to back up his claim.  I won't put too much weight on his speculation.