Let's come back to - was it Clara Elise-- where was Clara Elise before?

我们回顾一下克莱拉?埃莉斯的观点

耶鲁公开课 - 博弈论课程节选

So it's true. Before, it was like a butcher place where they cut the cows and pigs and everything.

是这样的。以前它像个杀牛、猪等动物的屠宰场。

关于肉品市场区 - SpeakingMax英语口语达人

Where before it was two colored pairs now it's two lettered pairs .

之前用两种成对的颜色表示,现在是用两对字母GCTA表示

耶鲁公开课 - 生物医学工程探索课程节选