Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选

And since that was the best you could do under that belief, you'll hopefully keep your job.

因为那的确是在这种信念下的最佳策略,你也就不会因此被炒鱿鱼了

耶鲁公开课 - 博弈论课程节选

The reason that countries dropped the gold standard was that under the effort to keep the currency convertible into gold they were worsening the depression of the 1930s.

这些国家放弃金本位制度,的原因在于，伴随着保持,货币与金子的转换功能,三十年代的大萧条正在被加深。

耶鲁公开课 - 金融市场课程节选