and you've been in that conversation over 2 hours because you are taking a trip.

你们已经聊了两小时了，因为你们在旅途之中。

I'm about to 课堂 - SpeakingMax英语口语达人

We are invited to be not merely passive onlookers of this conversation, but active participants in that dialogue that takes place in this book over the course of a single evening.

我们不仅受邀,作为这场会谈的被动旁观者，更受邀参与进行中的对谈,时间就在那一晚,内容是本书。

耶鲁公开课 - 政治哲学导论课程节选