The song is about leaving the big city for the countryside, going home again after a long time away.

VOA: special.2009.11.09

This means the Israelites will have to wander for 40 years in the desert until all of those who left Egypt as adults pass away, leaving a new generation that hasn't really tasted slavery, to enter the land and form a new nation.

这意味着，犹太人必须在沙漠中流浪40年,直到所有一起出埃及的人过世，留下没有做过奴隶的，新一代人，进入应许之地，建立一个新的国家。

耶鲁公开课 - 旧约导论课程节选

He always zooms in on something, thinks about it for a while and then goes away and thinks about something else, leaving us to decide whether it has a genuine bearing on the entirety or on the literary wholeness or unity of Macbeth.

他常常是放大一些细节，思考一会儿，然后放弃了,又开始想别的，让读者自己思考这部分,是不是对麦克白,整体有影响。

耶鲁公开课 - 文学理论导论课程节选