chemical catalysts 化学催化剂
catalyst for change 变革的催化剂
act as a catalyst 起到催化作用
A: Do you think this new policy will be successful?
A：你认为这项新政策会成功할까요?
B: Yes, I believe it will act as one of the main catalysts for urban renewal.
B：是的，我相信它将成为城市更新的主要催化剂之一。
1) 化学中的催化剂
2) 引发变化的力量或人
3) 促进事态发展的因素
1. 催化剂
noun
1. A substance that increases the rate of a chemical reaction without being consumed.
2. A person or thing that precipitates an event or change.
Synonym: agent, stimulant