Of the savings institutions, there were only 1,500; that's probably going down further because a lot of these old savings banks are being converted into commercial banks.

至于储蓄机构,只有1500个,现在可能就更少了,因为很多这类古老的储蓄银行,都逐渐被改造成了商业银行

耶鲁公开课 - 金融市场课程节选

A lot of these savings banks tend to be very old institutions that go back to the nineteenth century.

这些储蓄银行往往历史悠久,很多可以追溯到19世纪

耶鲁公开课 - 金融市场课程节选