catalyst
n. （化学）催化剂；诱因，诱导者
复数 catalysts
例句
Many policy makers insist that consumer spending is a strong economic catalyst and, therefore, a paucity of retail stores is a contributing factor to low-performing economies.
许多政策制定者坚持认为，消费者支出是一个强大的经济催化剂，因此，零售商店稀缺是经济表现不佳的一个促成因素。
I see my role as being a catalyst for change.
我认为我的角色是促成变革。
《牛津词典》
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》
