Think about that. That says, if this thing has some particular value, I want to do one thing; otherwise, I want to do something different.

考虑考虑，这意味着，如果这个事情有一些特殊的值，我就去做一件事情;,否则的话，我就会去做另外一件事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

So you're basically having a wave equation for a particle, and for our purposes we're talking about a very particular particle. What we're interested in is the electron.

所以你们主要有,一个粒子的波动方程，我们的目的是考虑一个特殊的粒子,我们感兴趣的是电子。

麻省理工公开课 - 化学原理课程节选

We're thinking about the particular antibody that binds to this antigen that you're exposed to.

现在,我们考虑一种特殊的,与你所接触的抗原相结合的抗体

耶鲁公开课 - 生物医学工程探索课程节选