If you are trying to model, I don't know, the efficacy of a particular drug, these are the baby-steps that you will go through.

是否你正在试图创建模型，我不知道，一种特殊药品的功效，你们要经过一些入门步骤。

麻省理工公开课 - 固态化学导论课程节选

As a model of economic activity or as a kind of vocation guide, this parable couldn't be more opposed -- or to some wouldn't seem more opposed - to the parable of the unprofitable servant.

作为一种经济活动,或者职业引导的典型,这则寓言于那个没获利的仆人的,寓言截然相反。

耶鲁公开课 - 弥尔顿课程节选