I very much hope that this case will prove to be a catalyst for change.

我非常希望这件事终将成为促成变化的催化剂。

《柯林斯英汉双解大词典》

But in that case, too, a catalyst would be needed to boost reaction rates enough to account for the dearth of acetylene.

但在那种情况下，也需要催化剂去加快足够的反应速度，以解释乙炔的缺失。

youdao

The case of the false to confusion is a large part of the people, because the imagination of western way is retained in the catalyst feeling experience guide.

伪洋案之以是频出，很大一部分是因为国人日渐畅想西方留存法子的体会在起催化剂感导。

youdao

It can mean that of course, but: a bullish investor who can make a case for a positive future catalyst could also take the contrarian angle and recognize that there is lots of room for upside since the stock is presently so out of favor.

FORBES: Connect

However, in the absence of such a catalyst to reverse the current decline, the risk to the bullish case is the growing climate of fear feeding upon itself, and thereby creating a further deterioration in the technical backdrop.

FORBES: The Only Thing Stocks Have To Fear Is Fear Itself