Вы искали: 这是一个主权问题 (Китайский (упрощенный) - Английский)

应鼓励各国制定有利于其确定难民地位的制度，这是一个主权问题。
countries should be encouraged to develop institutions enabling them to make determinations about refugee status, which was an issue of sovereignty.

归根结底，加入任何多边条约的决定由各个国家自行作出，这是一个主权问题。
ultimately, decisions on becoming a party to any multilateral treaty rested with each state as a matter of sovereignty.

38. 在选举问题上，卡比拉总统说，这是一个主权问题。
38. on the issue of elections, the president of the democratic republic of the congo stated that this was a sovereign matter.

"主权问题 "
“the issue of sovereignty”