The rest may not even know they are infected. Hind Khatib is a regional director of the U.N.Joint Programme on HIV/AIDS or UNAIDS.

VOA: standard.2010.07.07

On the battlefield,even if Smith and Jones are both dying, it's not like this is some sort of cooperative, joint undertaking.

在战场上，Smith和Jones同时死亡，但是并不是在某种合作下，同时进行的。

耶鲁公开课 - 死亡课程节选