But there's another way to do this and I'm going to give you now the simplest example of the other way, which is to draw free-body diagrams.

不过还有另外一种方法,现在我来给你们演示,另外一种方法最简单的例子,也就是隔离法的受力分析

耶鲁公开课 - 基础物理课程节选

So to imply that now you can eat all you want, you have an issue to free ticket if you will, some people might consider not the right message.

假如说现在你可以吃任何你想吃的东西,这里面存在一个免费门票的问题,有些人对营销信息的理解并不正确

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选