User talk:Zhu Weilin

Hello! I am a China undergraduate， presently， I am studying a subject about psychic cost/psychological cost， I can find a little of paper on the subject of psychic cost/psychological cost.And I don't known any big different between psychic cost and psychological cost.I want to know How the psychic cost/psychological cost affect the migration movement .So I want somebody help to give me more information about the subject.