The agreements provide for the following principles of cooperation: equality, mutual benefit, non interference in internal affairs and respect for sovereignty.

协议规定以下合作原则：平等、互利、 不干涉内部事务以及尊重各自的主权。

youdao

They resent foreign interference in the internal affairs of their country.

他们憎恶对他们国家内政的外来干涉。

《牛津词典》

The general election in Myanmar is its internal affairs. We always uphold the principle of non-interference in others' internal affairs.

缅甸大选是缅内部事务，我们一贯奉行不干涉他国内政的原则。

youdao

Chinese papers back Beijing's actions as defence of non-interference in internal affairs.

BBC: Chinese, Iranian press alone back UN Syria veto

State media quoted the ministry as praising "the firm Russian stance which is based on the UN principles of non-interference in internal affairs or the threat to use force against the safety of any state".

BBC: Syria conflict: US says Assad can have no post-war role

"In the absence of a swift reaction...to stop this blatant interference in football internal affairs, Fifa will have to consider all options", Valcke wrote in a letter to the man it still considers to be the leader of the KFF, Mohammed Hatimy.

BBC: Mohammed Hatimy