Health-care workers 卫生保健工作者
Every day they are seeing sickness, trauma, and death and dealing with family members of patients. It can shade one's outlook on the whole that the world is a sadder place.
他们每天都要面对疾病、创伤、死亡，还要与病人的家属沟通。这些都会从整体上塑造一个人的价值观，使他认为世界是一个悲伤之地。