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。

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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

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