It's debatable whether it was good for everybody.

是否有利于所有人，有待商榷。

耶鲁公开课 - 新约课程节选

And by the 1820s and 1830s the American South became what I think you could safely say was the fifth slave society in human history; maybe the sixth. This is debatable.

自十九世纪二三十年代起,美国南方,绝对成为了,人类历史上的第五个奴隶社会,也可能是第六个,这仍然处于争议中

耶鲁公开课 - 美国内战与重建课程节选

One other very important thing to understand about this defensive problem and this is one of the debatable issues between the old guard and the traditional interpretation; I'm still giving you the traditional view.

对于防御的问题还有另外一个很重要的因素,这也是老顽固们对传统观点,争论的一个话题,我还是采用传统观点的说法

耶鲁公开课 - 古希腊历史简介课程节选

Now, that's a debatable subject, isn't it?

但这个论点是有争议的,不是吗

耶鲁公开课 - 美国内战与重建课程节选