Plaque inside the artery can restrict blood flow, and makes blood clots more likely.

VOA: standard.2010.03.04

And you can get to things like the macro-stressed insure, and energy flow in a much more robust way than you can even in an advanced course of magnetism.

所以你便可以更形象地理解,像微粒，能量流动,等概念,你甚至可以,比在高级课程更讲的程度深。

麻省理工公开课 - 媒体、教育、市场课程节选

He did it to bring more light, he did it to bring more air, he did it to free the flow for capital, money; that's why the department stores are on the boulevards.

他这么做是为了多点光,多点新鲜空气,他为了使资产的流动更为自由,这就是为什么百货商店都建在大道旁边

耶鲁公开课 - 1871年后的法国课程节选