If we add one to the return, then you've got a number that's never negative and we can then use geometric returns.

然后加上1,你永远也得不到一个负数,然后我们对这个值求几何平均

耶鲁公开课 - 金融市场课程节选

Suppose I take a number. I'd like to add up all the digits inside of the number.

我可以用到刚刚提到的工具,来实现这个功能。

麻省理工公开课 - 计算机科学及编程导论课程节选

All velocities I see you will add a certain number to get the velocities according to you.

而我观察到的速度,你也要给它加上某个数值,来得到你观察到的速度

耶鲁公开课 - 基础物理课程节选

You have a nice grid pattern and you can use a city block metric to add up the number of blocks between people's doors.

整个城市呈格网状,你可以数数,人们相隔多少个街区。

耶鲁公开课 - 心理学导论课程节选

When you add it to any number, it doesn't make a difference.

任何数加上它都没有变化

耶鲁公开课 - 基础物理课程节选

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