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

For instance, suppose you want to know if the baby can tell green from red.

比如,假设你想知道,婴儿是否能够区分绿色和红色

耶鲁公开课 - 心理学导论课程节选