And I mean this means way past all the chemistry they've taken, they're now graduate students or they're now professors, and they're still writing out Lewis structures.

我想说的是这意味着尽管他们早就学完了所有的化学，他们现在都已经是研究生甚至是教授了，但他们依然在不断地写路易斯结构。

麻省理工公开课 - 化学原理课程节选

The worst case here is, the things not in the list in which case I've got to go all the way through the list to get to the end.

目标数不在数组里,这意味着我必须遍历数组中所有的元素,好，说完了这些。

麻省理工公开课 - 计算机科学及编程导论课程节选