Savings and Loans are the same as Building Societies, but the idea--the original idea and also the general idea today -is that these are banks set up for small savers in order that they can buy a house.

储贷协会和建房互助协会是一回事,其初衷以及现在的一般理念是,这些银行的建立是为了,让小额储蓄者买得起房子

耶鲁公开课 - 金融市场课程节选

In contrast, if we talk about a double bond, what we're now talking about is having both a sigma bond and also one pi bond. And I apologize, I intended to set this up right before class, but that didn't happen today.

相反，如果我们讨论一个双键，我们现在讨论的是,一个sigma键和π键，抱歉，我应该在课前就把这个装好的，今天没装好。

麻省理工公开课 - 化学原理课程节选