As Heidegger points out in this passage, that's a thought experiment which, if it can be done at all, derives from that prior knowledge.

海德格尔在文章中指出，这个思想实验，在可以实现的前提下，来源于之前的知识。

耶鲁公开课 - 文学理论导论课程节选

In this case, to optimize for the best of the whole community and the whole user base and over the long term and that's important too, your long over short term.

在这个前提下,去寻求整个社会,以及所有用户的长远利益的最大化,这十分重要，我们寻求长期利益，而非眼前利益。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选