Well, it doesn't get very precise but it has the intuitive concept.

当然这种阐述还不精确,但已经有了直觉的认识

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Well, the figure I saw last was a number too small to be mentioned; I mean, to say you just can't really say how much it is, but all right, two percent.

这个数字简直,小的可忽略了,我的意思是说你实在说不出精确地数字,但实际上只有2%左右

耶鲁公开课 - 古希腊历史简介课程节选

But one of the teaching fellas also passed long to us recently, a little real world example of what happens when you're not mindful of various data types and you're not mindful of the imprecision that's inherent in representing data in a computer, at least using a language like C and low level primitives like floats and even doubles.

最近有个助教告诉我们，一个现实世界中的例子,当你不注意各种各样的数据类型,也不注意在计算机中表示数据时,其内在的不精确性，至少在用像C语言,和float甚至double型数据时，那将会发生什么？

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Precision is impossible; don't worry about that.

完全精确是不可能的,大家不用太在意

耶鲁公开课 - 古希腊历史简介课程节选