Obviously we don't expect you to know exactly what the distances are, but you should be able to compare them relatively.

当然我们不要求你么,要能知道具体这些位置是多少，但你们要能够相对比较它们。

麻省理工公开课 - 化学原理课程节选

And, by the way, if you ever feel that you are in a compromising position, someone is pressuring you for information, just raise your hand and ask to be reseated.

另外，如果你觉得你在一个折中的位置，有人强迫看你的信息，只需要举起手来要求调换座位。

麻省理工公开课 - 固态化学导论课程节选