那些刚刚从死亡线上逃离的人们,都无暇担心污水导致疾病这样的小事了.
Men (主语)
who have just escaped what had appeared to be certain death （ men的定语从句)
what had appeared to be certain death （定语从句中 escape 的宾语从句）
lose （谓语动词）
all worries about such small things as diseases caused by dirty water （宾语）
such.as 为固定结构