We have to account for that in some way because we know that they don't have identical average valence electron energies.

我们需要从一些方面来解释一下,因为我们都知道,他们没有相同的,平均价电子能。

麻省理工公开课 - 固态化学导论课程节选

If this theory you might say of sort of cataclysmic change is true we cannot rule out the possibility that a constitution like ours or even identical to ours existed at some point in the ancient past in the far distant past that Aristotle knew about.

你们可能认为，如果这个理论,即剧烈变革的理论为真,我们就不能排除,像美国宪法,或相同于美国之其它现存宪法,早在远古。

耶鲁公开课 - 政治哲学导论课程节选