indissolubility       
noun [ U ] uk/ˌɪn.dɪ.sɒl.jəˈbɪl.ə.ti/ us/ˌɪn.dɪˌsɑːl.jəˈbɪl.ə.t̬i/
 牢不可破;稳定持久;不可分开,不可分离,不可分割
the state of being impossible to take apart or bring to an end, or of existing for a very long time
  The constitutional court declared the referendum illegal and upheld the indissolubility of the state.  宪法法院宣布全民公投为非法,并支持国家不可分割。 
 I can see her views on the indissolubility of marriage, but they are not mine. 我可以看到她的观点是婚姻不可分离,但那不是我的看法。 
 See: indissoluble
 - More examples
 - The speech was presidential, timely, and reassuring on the unity and indissolubility of the republic.
 - Her experience has made me reflect on the indissolubility of mental and physical health.
 - The church teaches the indissolubility of wedlock.