this article already makes it very clear:

來源: SU 於 2013-12-19 08:11:03 [] [舊帖] [給我悄悄話] 閱讀數 : (103 bytes)
回答: 我不接受這篇文章的觀點~~ 由 Bluebell 於 2013-12-18 21:11:41

Kids, pregnant women, the elderly, etc. are not among the target population this article is addressing.

所有跟帖： 

• 表揚一下:讀帖認真,理解正確. -閩姑- ♀ 給 閩姑 發送悄悄話 閩姑 的博客首頁 (0 bytes) () 12/19/2013 postreply 09:32:40

請您先登陸，再發跟帖！