You needed the community that makes use of linguistic conventions to acquiesce in a change of use.

你必须得到一个群体对于惯例改变,所做出的默认。

耶鲁公开课 - 文学理论导论课程节选

That would be a bad design for our nervous system where we want to use cells over and over again, so they're able to recover from this change in potential.

这样的神经系统设计可不怎么样,我们想要能重复使用的神经细胞,所以它们具有从电势变化中恢复的能力

耶鲁公开课 - 生物医学工程探索课程节选

v We don't know what it is yet. In order to change this from a p to a V, you have to use the chain rule. So let's use the chain rule.

为了把这里的p变成,我们需要利用链式法则,好，让我们使用链式法则。

麻省理工公开课 - 热力学与动力学课程节选