Scholars have proposed three possible models to explain the formation of Israel. The first is an immigration model.

学者们提出了三种可能的模型,来解释以色列的形成，第一种是移民模式。

耶鲁公开课 - 旧约导论课程节选

Previously, we looked at models where there were two candidates or on your homework assignment, three candidates.

之前,我们看到的模型有两个候选人,或者是你们的家庭作业里的三个人

耶鲁公开课 - 博弈论课程节选