non-intervention

劍橋詞典

the practice of refusing to get involved in a situation , especially in a disagreement between countries or within a country
（尤指對(duì)國(guó)家間或國(guó)家內(nèi)部事務(wù)的）不乾涉
a policy of non-intervention 不乾涉政策 返回 non-intervention