Katalyst
n. [化] (=catalyst)催化剂
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不能苔。
Like father, like son.
有其父必有其子。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做广告的人在力图劝说我们买下这种产品或那种产品之前，已经仔细地研究了人的本性，并把人的弱点进行了分类。