That is, the goldsmith only had a fraction of the gold that was owed by the goldsmith.

就是说,只有一部分金子,是金匠对外的负债

耶鲁公开课 - 金融市场课程节选

I put in .9958 for every dollar I got out, so my appreciation of my money is 1/.9958. Subtract that by $1, which is what I put in, and that's how much money I made as a fraction of a dollar.

我投入0.9958美元,得到1美元,我的资产增值为1/0.9958,减去1美元,那是我的投入,这就是每1美元,赚了多少钱

耶鲁公开课 - 金融市场课程节选

There might be these, what are called epigenetic differences that I mentioned changes in the structure around DNA, and those changes lead to differences in which fraction of the total genes in the chromosomes are being expressed by a particular cell.

可能存在的差异,叫做表观遗传差异,我之前说过的DNA结构上的变化,而这些变化导致,在特定细胞中,染色体组的全部基因中,只有一部分表达出来

耶鲁公开课 - 生物医学工程探索课程节选