当所有这些因素放在一起，并且由经济学家计算得出这些数字时，它最终的净值是正数，但只是一个很小的数。

When all those factors are put together and the economists calculate the numbers, it ends up being a net positive, but a small one.

youdao

把数字和一个具体物品的一种属性联系起来，是形成真正的数感的一大障碍。

Associating a number as one of the qualities of a specific object is a great hindrance to the development of a true number sense.

youdao

必须明确的是：我所使用的数字只是个平均数。

To be clear: the figures I'm using are only averages.

youdao

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

So what would I want to do? I'd like to somehow walk down each of the digits one at a time and add them up. Ah, that's a looping mechanism, right? I need to have some way of walking through them.

去取这个数的,每个数字然后把他们加起来,啊，这是个循环机制对不对？,我得找到一个遍历它们的方法,一种简单的方法可能。

麻省理工公开课 - 计算机科学及编程导论课程节选

How many of you, excluding the people who chose 1 last time, how many of you chose a number that was lower than the number you chose last time?

出了上次选1的人,多少人选了比你,上次选择的数还低的数字

耶鲁公开课 - 博弈论课程节选