Second of all, there's generally an account of the historical circumstances that are leading to the treaty: so some kind of historical prologue.

第二个，交代一下,签订契约的，大的历史环境,也就是，历史开场白。

耶鲁公开课 - 旧约导论课程节选

A second broad area is applications.

第二个大的领域是应用程序。

麻省理工公开课 - 媒体、教育、市场课程节选

And concomitantly a second reason is that that Civil Rights revolution also brought, through its process, a huge discovery at the same time of Northern racism, when Martin Luther King brought the movement to Chicago and nearly got killed doing it.

还有第二个理由就是,民权运动的经过也带来了一个大发现,那就是北方的种族主义,当马丁路德金把运动带到了芝加哥,他差点因此丧命

耶鲁公开课 - 美国内战与重建课程节选