If the referenced cities, the first cities, are 4,200 miles apart, the answers for the next two will center around 4,200 miles.

如果先前提到的城市，前面的两座城市，相距4200英里，那么人们对于后两座城市距离的回答,便会集中在4200英里附近。

耶鲁公开课 - 金融市场课程节选

has directly or indirectly referenced the thing, that you are condensing into a single statement.

直接或间接地表达着一件事情，而你要把这些内容概括成一句话。

It sounds like 课堂 - SpeakingMax英语口语达人

If the referenced cities were 2,500 miles apart, they'll center about that.

如果先前的两座城市相距2500英里，那么答案也会集中在2500英里左右。

耶鲁公开课 - 金融市场课程节选

So, he assumed, he referenced or normalized everything to fluorine.

所以他假设，将以用F作为一个标准,来估算其他元素的电负性。

麻省理工公开课 - 固态化学导论课程节选