It had two--depending on when you look to three dozen major full-time slave traders.

有二十或三十多个,专业的奴隶贩子

耶鲁公开课 - 美国内战与重建课程节选

And we pointed out, however,that one individual has a--the music that has all of these parts on it--and that, of course,is the conductor who has the full conducting score-- the full score--in front of him or her.

我们可以指出，这样的个体，音乐将所有的零碎的部分聚合在了一起，而这样，指挥家拥有整个乐曲的谱子-,就在他或她的面前。

耶鲁公开课 - 聆听音乐课程节选