Now, what do you suppose was the most expensive item on that list?

你们觉得清单里的哪一项最贵？

耶鲁公开课 - 公正课程节选

To find the force, what you will do is, suppose somebody says, "Hey, I've got a new force.

为了找出这些力,你们要做的是,假设有人说,"嘿,我发现了一种力

耶鲁公开课 - 基础物理课程节选