A contentious issue causes a lot of disagreement or arguments. 引起争议的
adjective [原级] 有争议的,引起争论的;爱争论的,好争吵的
Sanctions are expected to be among the most contentious issues. 制裁预计位居最具有争议的问题之列。
Sanctions are expected to be among the most contentious issues. 制裁预计位居最具有争议的问题之列。