我们需要多少钱才能做好这件事？

How much money do we need to do the job properly?

《牛津词典》

就额外的员工来说，我们需要多少人？

In terms of extra staff—how many will we need?

《牛津词典》

我们需要多少个李子？

How many plums do we need?

youdao

So, if we kind of think about the numbers we would need, we would actually need a velocity that approached something that's about 10 to the negative 30 meters per second.

所以如果我们稍微想想，我们需要的数值是多少，我们需要一个,大约为10的负30次方米每秒的速度。

麻省理工公开课 - 化学原理课程节选

And step four is going to have us figure out how many bonding electrons we have, so we have 16 minus 10, is going to be 6 bonding electrons.

而第四步需要判断,我们有多少个成键电子，那么我们有十六减十，也就是六个成键电子。

麻省理工公开课 - 化学原理课程节选

It eventually outputs a ticket with the right amount, but my God, how many steps does it take for us to get there?

最终它适当地输出了一张票，但是我的天，我们需要多少步骤才能得到？

哈佛公开课 - 计算机科学课程节选