One is the mega-chain Wal-Mart. "On one hand,Wal-Mart's whole business model is based on consumption.

VOA: standard.2010.01.23

The whole idea of Star Festival is that it's a model by which you tell your own story.

整个“七夕“项目的理念就是它是一个模型,通过它你来讲述自己的故事。

麻省理工公开课 - 媒体、教育、市场课程节选

I can model this whole thing as point charges.

我能把这一切设计成一个点电荷模型。

麻省理工公开课 - 固态化学导论课程节选