这种介质称为以太，它是一种无所不在的，有无限弹性的，无质量的，不不能被感知的介质，在从前它被理论化为能运载光的介质。

This medium is called Ether, which is an omnipresent, boundlessly resilient, massless medium unable to be sensed that was formerly theorized as the medium that carried light.

youdao

本研究从前因和后果两个方面来构建价格感知公平的理论框架。

This research is constructed from two aspects: the antecedents of the perceived price fairness and the consequences of it.

youdao