It is--at least, it puts itself out there as a candidate to be an alternative term that one might use if one got tired of saying "irony" or "paradox."

如果“讽刺“，“悖论“一类的词,用的太多,可以用“朦胧“来替换“

耶鲁公开课 - 文学理论导论课程节选

What I'm going to do here is I'm going to substitute in for prices.

接下来我要用表达式来替换价格

耶鲁公开课 - 博弈论课程节选

There's an index committee that keeps bringing in new shares when new companies become important; they try to get the 500 representative of the most companies in the world--in the U.S.

有一个指数委员会在新公司发展壮大的时候,一直持续替换新股,他们希望在美国,用500指数来反映,世界上大部分的公司

耶鲁公开课 - 金融市场课程节选

So, what they do is what's called, "Systematic desensitization," which is they expose you to what causes you the fear but they relax you at the same time so you replace the aversive classical conditioned fear with something more positive.

治疗的方法叫做“系统脱敏疗法“,也就是将你暴露在引起恐惧的情境下,但同时让你放松,所以你用更加积极的感觉,替换了经典条件作用造成的厌恶性恐惧。

耶鲁公开课 - 心理学导论课程节选