disengagement       
noun [ U ] uk/ˌdɪs.ɪŋˈɡeɪdʒ.mənt/ us/ˌdɪs.ɪŋˈɡeɪdʒ.mənt/
 脱离
the fact of stopping being involved in something
  Young people's disengagement from politics is part of a wider trend. 年轻人脱离政治是大趋势。 
 The new president is thought likely to pursue military disengagement. 外界认为新总统很可能会推行军事脱离。 
 See: disengage
 - More examples
 - This disengagement from social life is thought to be natural in older people, but there is no reason why it should be.
 - Network TV has concerns over the disengagement of younger viewers.
 - I think it comes down to apathy or selfish disengagement in the case of many people.
 - The rising sophistication of electronics has accelerated society's disengagement with nature.
 - He called for a ceasefire and disengagement of forces.