And the functionality goes as the square of the difference in electronegativity.

这个公式的泛函性与电负性之差,的平方成比例。

麻省理工公开课 - 固态化学导论课程节选

This was eventually taken out, and actually just for your interest, there was no overlap between the time when cocaine was in Coca Cola and lithium was in 7-Up, so there was a few years difference between those two times, but it's amazing to think about what does go into processed foods.

锂最终被去掉了，如果你感兴趣的话，可口可乐中含有可卡因,与七喜中含锂的时代,并没有交集，它们之间还差了几年，但是想一想加工食品里,会加入什么东西还是很令人吃惊的。

麻省理工公开课 - 化学原理课程节选

So if you add up, if you try to calculate the balance of happiness and suffering, you might have a case for saying what they did was the right thing.

合计来看的话，计算一下，幸福与痛苦之差，你也许会认为，他们的所作所为是正确的选择。

耶鲁公开课 - 公正课程节选

They will win five dollars minus the difference in pennies."

奖金是五美元减去所选值与答案之差

耶鲁公开课 - 博弈论课程节选