Is there any significance at all, for example, in the number of photons that are hitting the metal or being absorbed by the metal.

举例来说，若干个光子撞击金属,或者被金属吸收究竟是否有意义。

麻省理工公开课 - 化学原理课程节选

So Saint Peter concludes with -- it goes on, and he concludes with a couplet that is as terrifying in its threat of finality as it is for me utterly baffling in its significance.

因此圣彼得以一句如同这首诗结尾的威胁般,可怕的对句作了总结,我很难读出这句话的重要性。

耶鲁公开课 - 弥尔顿课程节选