But from the time the organization was established in 2001, the supply has sometimes been as low as 40,000 units.

VOA: standard.2010.06.04

I think they were just a succession of dings but I'm hearing it-- my mind wants to hear this organization So there's another organization here of units of three.

我想它们就是一组连续的,叮,但我听到的是这样的,我的大脑希望听到这样的组织方式,那么这里还有另外一种三拍一组的形式

耶鲁公开课 - 聆听音乐课程节选

As you may know, there's yet another organization where we could group this in units of four but for all intents and purposes-- there are a few nuances to it-- four is simply a multiplication of two.

也许你知道的,还有另外一种组织方式,我们可以四拍一组,但是不论出于什么动机或者目的,这其中的区别甚微,四拍就是两拍的简单相乘

耶鲁公开课 - 聆听音乐课程节选