These are all plausible reasons and possible contributors but nobody's got the home run answer yet.

这些原因听起来都很有道理,但还没有人能给出准确的答案

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Just be surgical, give me the answer and move on.

要准确写，给我答案，继续进行。

麻省理工公开课 - 固态化学导论课程节选

All right. I tried it on 2, I surely didn't expect a precise and exact answer to that but I got something, and if you square this, you'll find the answer kept pretty darn close to 2.

好，我试试求2的平方根,我当然不希望得到一个完全准确的答案了,但是我得到了一个近似值，试试将这个数平方一下,你会发现结果和2相当接近。

麻省理工公开课 - 计算机科学及编程导论课程节选