And the dymaxion car -- which could have provided safe, pollution-free transportation using little gasoline -- was never produced.

VOA: special.2010.05.30

Because they thought they could never have another so good; so, why try?

因为他们认为,他们不会再有一个这样优秀,聪明...,还有什么词来着

耶鲁公开课 - 古希腊历史简介课程节选

The semiotician's answer to this is it never could have happened simply as an act of agency, as an act of will.

符号学者这样解释,这不是一己之力的结果。

耶鲁公开课 - 文学理论导论课程节选

So the dymaxion house -- which could have provided low-cost housing for everyone -- was never built.

VOA: special.2010.05.30