You notice at the beginning one-two, At the beginning these chords are holding for four measures or a total of eight beats.

注意在开头，在开始的部分，和弦持续了4小节也就是8拍。

耶鲁公开课 - 聆听音乐课程节选

And,so,instead of having where before you had something like one- hundred tolls you had to pay on the Loire River, if you're transporting some goods, they eliminate all those tolls, they try to create uniform weights and measures, and that'll take one-hundred years before that really works.

相对于从前,诸如你想,通过卢瓦尔河运输货物,你必须支付一百元的过路费,他们取消了所有此类收费,他们尝试建立统一的度量单位,这些想法在一百年之后才得以实现

耶鲁公开课 - 1871年后的法国课程节选