non-interference

(also non-intervention / 9nCnIntE5venFn; 9nBnIntL`vZnFEn/) n [U] principle or practice of not becoming involved in the disputes of others, esp in international affairs 不干涉（尤指国际事务）: a strict policy of non-interference in the internal affairs of other countries 不干涉他国内政的坚定政策.

nominee, noms de guerre, non compos mentis, non sequitur, non-, non-aggression, non-aligned, non-alignment, non-auditory, non-combatant, non-commissioned, non-committal, non-committally, non-compliance, non-conductor, non-contributory, non-event, non-existent, non-fiction, non-flammable, non-iron, non-observance, non-payment, non-poisonous, non-proliferation, non-resident, non-skid, non-smoker, non-smoking, non-starter, non-stick, non-stop, non-U, non-union, non-verbal, non-violence, non-violent, non-white, nonage, nonagenarian,