Contrary with the past of our ancesters' life, modern society is changing very quickly.=Contrary with the past of our ancestors' life, modern society is changing very quickly In the past time, the social atmosphere was in communalism. So the unit of family was larger than modern unit of family.In a communalism, there wasn't a accurate boundary line which deterrmine which one is mine and yours.=In a communalism, there wasn't an accurate boundary line which determines which one is mine and yours.  As a duck takes to water, they learend to be one.= As a duck goes on the water, it learns to be one.  However, competitive and unhearty society mood has made us different.= . However, the competitive and cruel society has made us different. By the force of society flow, we don't have many options. Just competition is the sole answer to prolong our life. Naturally, we will be indifference to our family.=Naturally, we will be indifferent to our family. Then it will lead to the divorce. So, as a conclusion, I would like to say that our society atmosphere should be changed to the easy-going society that don't be chashed bt the time.=So, as a conclusion, I would like to say that our society atmosphere should be changed to an easy-going society that doesn’t be crashed by the time.