The two are open to persuasion, to consider alternatives, perhaps even radical alternatives, to the society that has nurtured them.

两人都愿接受劝说，并考虑替代性作法,或甚至是极端的替代方案，以改变哺育他们的社会。

耶鲁公开课 - 政治哲学导论课程节选

That's always open to debate, exactly when the South became a slave society.

经常有一些公开的争论,南方究竟是从何时成为奴隶社会的

耶鲁公开课 - 美国内战与重建课程节选