Walking is something you can do with others, in the sense that it can be a joint activity,a joint undertaking.

走路是一件你能和他人一起做的事，这是一个共同合作的行为和事件。

耶鲁公开课 - 死亡课程节选

Now admittedly,dying as a joint undertaking is far rarer than dying alone.

无可否认共同死亡比单独死亡少见得多。

耶鲁公开课 - 死亡课程节选

Even if you're in a room or a battlefield where people are dying at the same time as you, to your left and your right, dying is not and cannot be something that is a joint undertaking.

即便你处在房间或者战场上,有人和你同时同地死亡，就在你的身边死亡，死亡也不是你们共同完成的。

耶鲁公开课 - 死亡课程节选

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