But let's just count in terms of the numbers I'm touching 'cause that'll be useful in just a moment.

我明确地数了所动过的,数字，等会儿这个,可能有用。

哈佛公开课 - 计算机科学课程节选

How many" is so useful for when you're asking a question about how many numbers there are.

当你想知道具体数量的时候，“How many”非常有用。

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So, how do you go from just numbers, zeros and ones to actually useful information?

那么，你该怎样由这些数字0和,1来表述有用信息？

哈佛公开课 - 计算机科学课程节选