In the face of the great threat posed by HIV/AIDS, we have to rise above our differences and combine our efforts to save our people.

VOA: standard.2010.05.17

Milton is able in this speech to combine, I think, for the first time the two associations borne by that Latin word pastor.

弥尔顿能够在这场演说中，第一次把拉丁语牧师的两种联想结合起来。

耶鲁公开课 - 弥尔顿课程节选

But there's an important thing going on here, if I in fact wanted to combine those into a string I should have told the machine to do that, and I can do that, by explicitly saying, take that, which is a number, then add it to that string.

但是这里有个很重要的事情，实际上想要把这些加到一个字符串里面去,我应该告诉计算机去做这个，我应该这么做，通过明确的输入，也就是把这个对象，一个数字，然后把它加到一个字符串里面去。

麻省理工公开课 - 计算机科学及编程导论课程节选

If the Ax and Ay, some are positive and some are negative, this is the way by which we have learned we should combine multiples of i.

如果 Ax 和 Ay 有正有负,这就要用到我们所学过的方法,将所有 i 的倍数加起来

耶鲁公开课 - 基础物理课程节选